20 Best Cardboard Inserts For Mailing Envelopes [2024]

Are you looking for the best Cardboard Inserts For Mailing Envelopes? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Cardboard Inserts For Mailing Envelopes.

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1 100 Pack Stay Flat Cardboard Mailers, Self-Adhesive White Rigid Shipping Envelopes for Photos,... 100 Pack Stay Flat Cardboard Mailers, Self-Adhesive White Rigid Shipping Envelopes for Photos,...
2 ValBox 9x11.5 Self Seal Photo Document Mailers 25 Pack Stay Flat White Cardboard Envelopes, 9.25 x... ValBox 9x11.5 Self Seal Photo Document Mailers 25 Pack Stay Flat White Cardboard Envelopes, 9.25...
3 25 Pack Stay Flat Rigid Mailers, Self-Adhesive White Cardboard Envelopes for Shipping Photos,... 25 Pack Stay Flat Rigid Mailers, Self-Adhesive White Cardboard Envelopes for Shipping Photos,...
4 Bonfasvo Rigid Mailers 30 Pack 9.5 x 12.5 inches Brown Self Seal Stay Flat Bulk Cardboard Kraft No... Bonfasvo Rigid Mailers 30 Pack 9.5 x 12.5 inches Brown Self Seal Stay Flat Bulk Cardboard Kraft...
5 Hobby Armor Trading Card Shipping Protectors 3.5' x 4.5' - Premium Cardboard Inserts Card Mailers -... Hobby Armor Trading Card Shipping Protectors 3.5" x 4.5" - Premium Cardboard Inserts Card Mailers...
6 Eupako 9x11.5' 25 Pack Photo Document Mailer White Stay Flat Self-Seal Cardboard Envelopes for CDs,... Eupako 9x11.5" 25 Pack Photo Document Mailer White Stay Flat Self-Seal Cardboard Envelopes for...
7 25 Cardboard Sleeves Folded Flat Vending 3' x 4.5' Sports Card Folders Mail Shipping Stiffeners... 25 Cardboard Sleeves Folded Flat Vending 3" x 4.5" Sports Card Folders Mail Shipping Stiffeners...
8 25 Pack Stay Flat Rigid Mailers, Kraft Brown Cardboard Envelopes for Shipping Photos, Magazines,... 25 Pack Stay Flat Rigid Mailers, Kraft Brown Cardboard Envelopes for Shipping Photos, Magazines,...
9 Amazon.com Gift Card in a Gold Reveal Amazon.com Gift Card in a Gold Reveal
10 Sports Card Protectors, Corrugated Cardboard Insert Sheets (4.5 x 3 in, 75 Pack) Sports Card Protectors, Corrugated Cardboard Insert Sheets (4.5 x 3 in, 75 Pack)
11 24 Sheets 8.5x11 Corrugated Cardboard Backing, Inserts for Dividers, Packing, Mailing, Crafts... 24 Sheets 8.5x11 Corrugated Cardboard Backing, Inserts for Dividers, Packing, Mailing, Crafts...
12 Xxcxpark 25 Pack Rigid Mailers, 9.5x12.5 inches Self Seal Photo Document Mailers Premium Cardboard... Xxcxpark 25 Pack Rigid Mailers, 9.5x12.5 inches Self Seal Photo Document Mailers Premium...
13 Burasari 22Pack White Rigid Mailers 9.25x11. 5 Inches - Can Keep Flat Cardboard Mailer, Suitable for... Burasari 22Pack White Rigid Mailers 9.25x11. 5 Inches - Can Keep Flat Cardboard Mailer, Suitable...
14 Rigid Mailers 12x12 in (25 Pack) Stay Flat Cardboard Shipping Envelopes for Photos, Calendars Rigid Mailers 12x12 in (25 Pack) Stay Flat Cardboard Shipping Envelopes for Photos, Calendars
15 UCGOU Bubble Mailers 4x8 Inch Blue 50 Pack Poly Padded Envelopes Small Business Mailing Packages... UCGOU Bubble Mailers 4x8 Inch Blue 50 Pack Poly Padded Envelopes Small Business Mailing Packages...
16 Poever Photo Document Mailers 6.25x8.25 White Cardboard Envelopes 25 Pack Rigid Self Seal Mailing... Poever Photo Document Mailers 6.25x8.25 White Cardboard Envelopes 25 Pack Rigid Self Seal Mailing...
17 ValBox 6x8 Self Seal Photo Document Mailers 25 Pack Stay Flat White Cardboard Envelopes, 6.25 x 8.25... ValBox 6x8 Self Seal Photo Document Mailers 25 Pack Stay Flat White Cardboard Envelopes, 6.25 x...
18 Stay Flat White Mailers - Envelopes with Self-Seal Tape Keep Delicate Items or Papers Safe Size 9... Stay Flat White Mailers - Envelopes with Self-Seal Tape Keep Delicate Items or Papers Safe Size 9...
19 200 Pack Corrugated Cardboard Sheets for Mailers, Flat Packaging Inserts for Shipping, Mailing,... 200 Pack Corrugated Cardboard Sheets for Mailers, Flat Packaging Inserts for Shipping, Mailing,...
20 MESHA Cardboard Jewelry Boxes, 3.5x3.5x1 Cotton Filled Jewelry Gift Box with Lid, Jewelry Boxes for... MESHA Cardboard Jewelry Boxes, 3.5x3.5x1 Cotton Filled Jewelry Gift Box with Lid, Jewelry Boxes...
SaleBestseller No. 1
100 Pack Stay Flat Cardboard Mailers, Self-Adhesive White Rigid Shipping Envelopes for Photos,...
  • Rigid Mailers: Protect valuable art prints, photos, media, jewelry, and documents while shipping with these hard 6x8 envelopes
  • Photo Mailers 5x7: The photo envelopes have an adhesive strip at the top to ensure contents remain inside while in transit; simply peel, seal, then...
  • Reliable Quality: Our white cardboard mailers are thick enough to protect your photos from bending and scratching; reduce the cost of shipping while...
  • Dimensions: The rigid shipping envelopes measure 6 x 8 inches and can hold 5 x 7 photos; use stickers, logos, and stamps to customize the envelopes...
  • What's Included: You’ll receive 100 white rigid mailers to ensure you always have one on hand when needed
SaleBestseller No. 2
ValBox 9x11.5 Self Seal Photo Document Mailers 25 Pack Stay Flat White Cardboard Envelopes, 9.25 x...
  • 【9 X 11.5 Inches, 25 Packs 】Premium quality ValBox document mailers dimension is 9.25 x 11.75 inches. Great material makes them super perfect to...
  • 【Peel & Seal】These photo mailers are easy to peel and seal with a strong flap adhesive, no licking of glue or water to moisten when working with...
  • 【Provides Complete Security】 Upgraded adhesive on cardboard mailers creates a strong lasting seal and prevents your contents from falling out...
  • 【High Quality Material】Made of high quality material, our document mailer will assure contents arriving at their destination unbent and unharmed....
  • 【Semi-glossy Surface】 Finish of ValBox 9x11.5 cardboard envelopes is semi-glossy, you can hand write an address with a pen or get labels to print...
SaleBestseller No. 3
25 Pack Stay Flat Rigid Mailers, Self-Adhesive White Cardboard Envelopes for Shipping Photos,...
  • Rigid Mailers: Protect valuable art prints, books, certificates, photos, media, A4 paper, and letter-size documents while shipping them in these 9 x...
  • Easy To Seal: The large photo mailers have an adhesive strip at the top to ensure contents remain inside while in transit; simply peel, seal, then...
  • Reliable Quality: Our white cardboard mailers are thick enough to protect your documents from bending and scratching; reduce the cost of shipping...
  • Dimensions: The rigid shipping envelopes measure 9 x 12 inches each and hold letter-size documents, booklets, and catalogs; use stickers, logos, and...
  • Comes With: You will receive 25 white rigid mailers to ensure you always have one on hand when needed
SaleBestseller No. 4
Bonfasvo Rigid Mailers 30 Pack 9.5 x 12.5 inches Brown Self Seal Stay Flat Bulk Cardboard Kraft No...
  • 【Package Includes】- It contains 30 Pack 9.5 x 12.5 inches Rigid Mailers, please confirm its quantity and size when purchasing.
  • 【Heavy Duty】- Each Rigid Mailer is made of heavy cardboard, which has strong resistance to bending and tearing.You can send your products directly...
  • 【Easy To Seal And Peel】- The design of the seal and tear strip allows you to use it easily without worrying about damaging the contents inside.
  • 【Stay Flat Mailers】- We recommend that you store flat items such as envelopes, greeting cards, magazines, etc.
  • 【Suitable for businesses and families】- It is a good choice for post office, company, home! Choose the size and color you want to make shipping...
Bestseller No. 5
Hobby Armor Trading Card Shipping Protectors 3.5" x 4.5" - Premium Cardboard Inserts Card Mailers -...
  • Hobby Armor card inserts are perfect for shipping both toploader cards and also penny sleeve cards for protection.
  • Similar to folded cardboard sleeves, Hobby Armor protectors offer thickness versatility for stacks of cards. Huge time saver for people who ship cards...
  • Thick card board offers strong support and is thin enough to fit within the new Standard Envelope Shipping Tier for single toploaded cards. Fits in...
  • Includes 100 Trading Card Mailer - Trading Card Packaging Sheets each measuring 3.5" x 4.5". Full perimeter protection, offering 1/4" margin on each...
  • The Hobby Armor SP100 model is designed to be used with toploaded and raw cards. Not intended to be used with card saver / semi-rigid cards. Please...
Bestseller No. 6
Eupako 9x11.5" 25 Pack Photo Document Mailer White Stay Flat Self-Seal Cardboard Envelopes for CDs,...
  • Durable Document Mailers: Made of premium quality and rigid cardboard, Eupako 9.25 x 11.75 inches photo mailers are sturdy, durable and recyclable. It...
  • Set of 25: Package includes 25 pack photo mailers. With the stay flat feature, this cardboard envelope is the perfect choice for CDs, photos, books,...
  • Self-sealing Flap: The document mailer is convenient to use with the self-sealing flap, no need to lick or moisten to activate the glue. Just peeling...
  • Strong Adhesion: The adhesion of Eupako cardboard mailers are quite strong, secure and lasting, preventing contents falling out and protecting your...
  • Customizable: With a semi-glossy and professional surface, these document mailers are very customizable. You could personalize them with painting,...
Bestseller No. 7
25 Cardboard Sleeves Folded Flat Vending 3" x 4.5" Sports Card Folders Mail Shipping Stiffeners...
  • Perforated fold.
  • 3" x 4.5" Folded - 3" x 9" Flat
  • Great for Shipping Crafts & Valuables.
  • Stamps, Money, Jewelry, Cards, Earrings
  • Price Tags & Labels. Mail Backer Insert. Dividers.
SaleBestseller No. 8
25 Pack Stay Flat Rigid Mailers, Kraft Brown Cardboard Envelopes for Shipping Photos, Magazines,...
  • Rigid Mailers: Protect valuable art prints, photos, media, jewelry, and documents while shipping with these hard shipping envelopes
  • Shipping Folder: The large photo envelopes have an adhesive strip at the top to ensure contents remain inside while in transit; simply peel, seal,...
  • Reliable Quality: Our kraft brown cardboard mailers are thick enough to protect your documents from folding and scratching; reduce the cost of...
  • Dimensions: The rigid shipping envelopes measure 9 x 11.5 inches and hold letter sized documents; use stickers, logos, and stamps to customize the...
  • What's Included: You’ll receive 25 kraft brown rigid mailers to ensure you always have one on hand when needed
Bestseller No. 9
Amazon.com Gift Card in a Gold Reveal
  • Gift Card is affixed inside a reveal product
  • Gift Card has no fees and no expiration date
  • No returns and no refunds on Gift Cards
  • Gift amount may not be printed on Gift Cards
  • Scan and redeem any Gift Card with a mobile or tablet device via the Amazon App
Bestseller No. 10
Sports Card Protectors, Corrugated Cardboard Insert Sheets (4.5 x 3 in, 75 Pack)
  • Sports Card Protectors: Keep high value, collectable cards safe and sound with this set of sports card cardboard dividers
  • Multi-Purpose: The cardboard inserts are ideal for storing cards of all kinds including business cards, sports cards, and gaming cards
  • High Quality: These card sleeve protectors are made of quality white kraft paper
  • For All Occasions: Use paint, markers, or stamps to customize these cardboard dividers for an upcoming kids birthday party or family game night
  • What's Included: You will receive a total of 75 corrugated cardboard sheets that measure 4.5 x 3 inches
SaleBestseller No. 11
24 Sheets 8.5x11 Corrugated Cardboard Backing, Inserts for Dividers, Packing, Mailing, Crafts...
  • Corrugated Cardboard Backing: Use these cardboard dividers for boxes for crafts, school projects, or to provide stability valuable and breakable items...
  • Multi-Purpose: Use these cardboard backing for photo backing, picture frame or welcome sign! It can be also used as cardboard inserts, corrugated...
  • Reliable Quality: The corrugated sheets are made from sturdy cardboard that won’t easily bend or fold; stack multiple sheets together for additional...
  • Dimensions: Each cardboard sheet for shipping supplies measures 8.5 x 11 inches
  • What's Included: Includes 24 solid kraft brown cardboard dividers for boxes
Bestseller No. 12
Xxcxpark 25 Pack Rigid Mailers, 9.5x12.5 inches Self Seal Photo Document Mailers Premium Cardboard...
  • VALUE RIGID MAILERS PACK - Package contains 25 pack 9.5x12.5 inches self seal photo document mailers, value rigid document mailers pack is great for...
  • OUTSTANDING QUALITY - These self seal document mailers are made of high quality cardboard with curl resistance to keep the inside paper/ document/...
  • PROFESSIONAL AND RELIABLE - All the envelopes are designed with white and clean look to make it look more professional and official, while the premium...
  • EASY TO SEAL AND PEEL - The premium seal not only provides the max protection for your privacy but also makes it easy to seal and peal, you can easily...
  • BUY WITH CONFIDENCE - We’re so confident with our self seal photo document mailers that we have no problems giving you full refund or free...
Bestseller No. 13
Burasari 22Pack White Rigid Mailers 9.25x11. 5 Inches - Can Keep Flat Cardboard Mailer, Suitable for...
  • 1.STURDY DESIGN: Rigid mailers are made of high-quality kraft paper material, making your documents less likely to be bent and creased to ensure the...
  • 2.Self-Adhesive Seal: Cardboard mailers have a sticky strip at the top that simply peels and seals to provide a tight seal, saving you valuable time...
  • 3.Features: Envelope mailers reduce shipping costs without sacrificing the security of contents and optimize space without adding extra weight. It is...
  • 4. Multi-purpose: This shipping envelope is perfect for protecting shipping gift cards, invitations, photos, documents, etc., and can meet most of...
  • 5.After-sales service: We are sure you will love our photo mailers, it is so perfect. If you have questions, you can contact us immediately and we...
Bestseller No. 14
Rigid Mailers 12x12 in (25 Pack) Stay Flat Cardboard Shipping Envelopes for Photos, Calendars
  • Rigid Mailer Envelopes: Protect valuable art prints, photos, media, jewelry, and documents with these 12x12 rigid envelopes
  • Self-Adhesive Seal: The flat rigid mailers have an adhesive strip to ensure contents remain inside while in transit; simply peel, seal, then press to...
  • Reliable Quality: Our plain white envelopes reduce the cost of shipping while simultaneously ensuring your items stay inside; tear strip tab at the...
  • The Perfect Size: Each cardboard mailer measures 12.5 x 12.5 inches; use thank you stickers, logos, and stamps to customize the envelopes for your...
  • What’s Included: Includes 25 rigid 12x12 mailers to ensure you always have one on hand when needed
SaleBestseller No. 15
UCGOU Bubble Mailers 4x8 Inch Blue 50 Pack Poly Padded Envelopes Small Business Mailing Packages...
  • 🍀【Opaque Poly Bubble Mailers】 The blue bubble mailers outer size is 4x8 inch, while the inner size is 4x7 inch. With full air bubbles, our...
  • 🍀【Strong Self Sealing Adhesive】 Our padded envelopes is using four-season adhesive, which can maintain strong stickiness throughout the year,...
  • 🍀【Sturdy & Durable Construction】 The thicken shipping bags covers with polyethylene material, making them not easily punctured and damaged....
  • 🍀【Convenient & Easy to Use】 These poly shipping bags are the perfect choice for small and middle business for easily using with not require...
  • 🍀【Enhance Brand Influence】 Bright colors bring a lively atmosphere, which makes the items you transport more conspicuous and will not be easily...
Bestseller No. 16
Poever Photo Document Mailers 6.25x8.25 White Cardboard Envelopes 25 Pack Rigid Self Seal Mailing...
  • 【6.25x8.25 Inches Document Mailers】Each set includes 25 pack photo mailers. Measuring 6.25 x 8.25 inches, Poever white cardboard envelopes are...
  • 【Sturdy and Durable】Rigid Cardboard Mailing Envelopes are made of premium recyclable cardboard materials, makes it thick and strong enough to...
  • 【Peel & Seal Design For Easy Use】Each photo mailer comes with a strong adhesive strip for quick self seal, no glue, wax or tape needed. The...
  • 【Multipurpose Blank Shipping Envelopes】With a smooth and blank surface, Poever 6x8 white document mailers are quite professional and official,...
  • 【After-Sale Service】If you find any issue or feel unsatisfied with Poever 6.25x8.25 White Cardboard Photo Mailers, please do not hesitate to...
SaleBestseller No. 17
ValBox 6x8 Self Seal Photo Document Mailers 25 Pack Stay Flat White Cardboard Envelopes, 6.25 x 8.25...
  • 【6 X 8 Inches, 25 Packs 】Premium quality ValBox document mailers dimension is 6.25 x 8.25 inches. Great material makes them super perfect to...
  • 【Peel & Seal】These mailers are easy to peel and seal with a strong flap adhesive, no licking of glue or water to moisten when working with...
  • 【Provides Complete Security】 Upgraded adhesive on cardboard mailers creates a strong lasting seal and prevents your contents from falling out...
  • 【High Quality Material】Made of high quality material, our document mailers will protect contents arriving at their destination unbent and...
  • 【Semi-glossy surface】 Finish of ValBox 6x8 cardboard envelopes is semi-glossy, you can hand write an address with a pen or get labels to print on...
Bestseller No. 18
Stay Flat White Mailers - Envelopes with Self-Seal Tape Keep Delicate Items or Papers Safe Size 9...
  • KEEP IT SAFE: These flat envelopes are perfect for keeping all types of items safe like photos, artwork, and documents while in transit. Mail your...
  • QUALITY MATERIAL: Made of quality construction with heavy-duty rigid seal, these envelopes promise amazing quality and will not bend or crinkle while...
  • OPEN/CLOSE FEATURE: These envelopes have a self-seal style with a peel and seal strip for closing mailers and a pull tab tear strip for opening them...
  • ALL SIZES: These envelopes came in a variety of sizes to suit your needs. From sending large pictures to family or a small professional letter to a...
  • PROFESSIONAL USE: Sleek design and clear white color all lend to a professional look for these mailers. Send these out when you need to ship something...
Bestseller No. 19
200 Pack Corrugated Cardboard Sheets for Mailers, Flat Packaging Inserts for Shipping, Mailing,...
  • Cardboard Backing 5x7 Sheets: This set of versatile cardboard rectangles comes in a traditional brown color; the solid backing makes them ideal for...
  • Packing Supplies For Fragile Items: Use these packing cardboard sheets as dividers in moving boxes, for extra protection in picture frames, or against...
  • High Quality: Our 2mm thick flat cardboard sheets are made of corrugated cardboard that is strong and durable
  • Dimensions: The cardboard sheets for crafts or shipping each measure 5 x 7 inches are corrugated and come with side funneling
  • Comes With: You will receive 200 craft cardboard inserts for mailers or DIY craft projects
Bestseller No. 20
MESHA Cardboard Jewelry Boxes, 3.5x3.5x1 Cotton Filled Jewelry Gift Box with Lid, Jewelry Boxes for...
  • TWO PIECE COTTON FILLED JEWELRY BOX - Each individual box includes a plush cotton filled insert to keep jewelry safe. Use these boxes for storing and...
  • TWO PIECE COTTON FILLED JEWELRY BOX - Each individual box includes a plush cotton filled insert to keep jewelry safe. Use these boxes for storing and...
  • SIMPLE ELEGANT DESIGN - Simple two-piece design, prefilled with soft cotton to protect items. These empty jewelry gift boxes with lids are cotton...
  • DURABLE RIGID CONSTRUCTION - Send your customers home in style and add more value to your jewelry with this cotton filled gift box. These boxes are...
  • A MUST HAVE FOR ANY JEWELRY BUSINESS - These jewelry gift boxes can be used for rings, necklaces, bracelets, earrings, pendants & more. Use these...

Having trouble finding a great Cardboard Inserts For Mailing Envelopes?

This problem is well understood by us because we have gone through the entire Cardboard Inserts For Mailing Envelopes research process ourselves, which is why we have put together a comprehensive list of the best Cardboard Inserts For Mailing Envelopess available in the market today.

After hours of searching and using all the models on the market, we have found the best Cardboard Inserts For Mailing Envelopes for 2023. See our ranking below!

How Do You Buy The Best Cardboard Inserts For Mailing Envelopes?

Do you get stressed out thinking about shopping for a great Cardboard Inserts For Mailing Envelopes? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Cardboard Inserts For Mailing Envelopes, which is why we have assembled a comprehensive list of the greatest Cardboard Inserts For Mailing Envelopes available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Cardboard Inserts For Mailing Envelopes that you consider buying. Your questions might include the following:

  • Is it worth buying an Cardboard Inserts For Mailing Envelopes?
  • What benefits are there with buying an Cardboard Inserts For Mailing Envelopes?
  • What factors deserve consideration when shopping for an effective Cardboard Inserts For Mailing Envelopes?
  • Why is it crucial to invest in any Cardboard Inserts For Mailing Envelopes, much less the best one?
  • Which Cardboard Inserts For Mailing Envelopes are good in the current market?
  • Where can you find information like this about Cardboard Inserts For Mailing Envelopes?

We’re convinced that you likely have far more questions than just these regarding Cardboard Inserts For Mailing Envelopes, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Cardboard Inserts For Mailing Envelopes, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Cardboard Inserts For Mailing Envelopes. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Cardboard Inserts For Mailing Envelopes buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Cardboard Inserts For Mailing Envelopes currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Cardboard Inserts For Mailing Envelopes has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Cardboard Inserts For Mailing Envelopes?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Cardboard Inserts For Mailing Envelopes.
  5. Customer Ratings: Number ratings grade Cardboard Inserts For Mailing Envelopes objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Cardboard Inserts For Mailing Envelopes.
  7. Product Quality: You don’t always get what you pay for with an Cardboard Inserts For Mailing Envelopes, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Cardboard Inserts For Mailing Envelopes is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Cardboard Inserts For Mailing Envelopes information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Cardboard Inserts For Mailing Envelopes is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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