20 Best Expansion Envelope [2024]

Are you looking for the best expansion envelope? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling expansion envelope.

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# Preview Product
1 Quality Park Survivor R4202 Tyvek Expansion Mailer, 10 x 13 x 1 1/2, White (Box of 25) Quality Park Survivor R4202 Tyvek Expansion Mailer, 10 x 13 x 1 1/2, White (Box of 25)
2 Quality Park Expansion Envelopes, Plain, 40 lbs., 10 x 13 x 2 Inches, 25 per Pack, Kraft (93336) Quality Park Expansion Envelopes, Plain, 40 lbs., 10 x 13 x 2 Inches, 25 per Pack, Kraft (93336)
3 Quality Park Large Format/Catalog Envelopes, Redi-Strip, Kraft, 10 x 15, 25 per Box,... Quality Park Large Format/Catalog Envelopes, Redi-Strip, Kraft, 10 x 15, 25 per Box,...
4 ABC Gusseted Poly Mailers, Poly Shipping Bags 13x16x4, Expandable White Poly Mailers Pack of 100,... ABC Gusseted Poly Mailers, Poly Shipping Bags 13x16x4, Expandable White Poly Mailers Pack of 100,...
5 Amazon Basics 6 3/4 Security Tinted Envelopes with Peel & Seal, 100-Pack, White Amazon Basics 6 3/4 Security Tinted Envelopes with Peel & Seal, 100-Pack, White
6 XXL Jumbo Expansion Poly Mailers 24 x 21 x 6 inches (Expandable - Gusseted) - 30 Pack - Tough... XXL Jumbo Expansion Poly Mailers 24 x 21 x 6 inches (Expandable - Gusseted) - 30 Pack - Tough...
7 Survivor R4510 Tyvek Expansion Mailer, First Class, 10 x 13 x 1 1/2, White (Case of 100) Survivor R4510 Tyvek Expansion Mailer, First Class, 10 x 13 x 1 1/2, White (Case of 100)
8 Survivor R4200 Tyvek Expansion Mailer, 10 x 13 x 1 1/2, White, 18lb (Case of 100) Survivor R4200 Tyvek Expansion Mailer, 10 x 13 x 1 1/2, White, 18lb (Case of 100)
9 Progo 100 ct 14.5x19 Large Size Self-seal Poly Mailers. Tear-proof, Water-resistant and... Progo 100 ct 14.5x19 Large Size Self-seal Poly Mailers. Tear-proof, Water-resistant and...
10 Blue Summit Supplies 25 Rigid Envelopes, Large Expanding Envelopes Self Seal, Rigid Mailer with E-Z... Blue Summit Supplies 25 Rigid Envelopes, Large Expanding Envelopes Self Seal, Rigid Mailer with...
11 Quality Park Expansion Envelopes, Redi-Strip, Brown Kraft, 9 x 12 x 2, 25 per Pack, (93334) Quality Park Expansion Envelopes, Redi-Strip, Brown Kraft, 9 x 12 x 2, 25 per Pack, (93334)
12 JAM PAPER Plastic Expansion Envelopes with Elastic Band Closure - Letter Booklet - 9 3/4 x 13 with... JAM PAPER Plastic Expansion Envelopes with Elastic Band Closure - Letter Booklet - 9 3/4 x 13...
13 Quality Park Redi Strip Expansion Envelope, 9 x 12 x 2, Kraft, 25/Pack (93334) Quality Park Redi Strip Expansion Envelope, 9 x 12 x 2, Kraft, 25/Pack (93334)
14 Quality Park Open-Side Expansion Envelopes, Redi-Strip, Brown Kraft, 10 x 15 x 2, 100 per Box,... Quality Park Open-Side Expansion Envelopes, Redi-Strip, Brown Kraft, 10 x 15 x 2, 100 per Box,...
15 Business Source Tyvek Expansion Envelopes, White, 16'x4' Business Source Tyvek Expansion Envelopes, White, 16"x4"
16 UNV19004 - Universal Tyvek Expansion Envelope UNV19004 - Universal Tyvek Expansion Envelope
17 QUA93334 - Quality Park Redi-Strip Kraft Expansion Envelope QUA93334 - Quality Park Redi-Strip Kraft Expansion Envelope
18 JAM PAPER Plastic Expansion Envelopes with Hook & Loop Closure - Letter Booklet - 9 3/4 x 13 with 1... JAM PAPER Plastic Expansion Envelopes with Hook & Loop Closure - Letter Booklet - 9 3/4 x 13 with...
19 Survivor R4210 Tyvek Expansion Mailer, First Class, 10 x 13 x 1 1/2, White, 18lb (Case of 100) Survivor R4210 Tyvek Expansion Mailer, First Class, 10 x 13 x 1 1/2, White, 18lb (Case of 100)
20 FANWU Plastic Letter Size Envelopes with Button & String Tie Closure, 1-1/6' Expansion, Side Load,... FANWU Plastic Letter Size Envelopes with Button & String Tie Closure, 1-1/6" Expansion, Side...
SaleBestseller No. 1
Quality Park Survivor R4202 Tyvek Expansion Mailer, 10 x 13 x 1 1/2, White (Box of 25)
  • Tyvek white expansion envelope features a Flap-Stik self-adhesive closure.
  • Use for bulky items.
  • Resists punctures, tears and moisture.
  • Expands on sides to fit binders, books, reports.
  • Use instead of cartons or boxes.
Bestseller No. 2
Quality Park Expansion Envelopes, Plain, 40 lbs., 10 x 13 x 2 Inches, 25 per Pack, Kraft (93336)
  • Expansion envelopes offer security for bulky mailings with a 2" expansion gusset for extra-thick mailings
  • Great for computer reports, catalogs and binders
  • Large end-opening allows easy document insertion
SaleBestseller No. 3
Quality Park Large Format/Catalog Envelopes, Redi-Strip, Kraft, 10 x 15, 25 per Box,...
  • DURABLE: Made of 40 lb. Kraft paper
  • REDI-STRIP: No moisture required with this Redi-Strip closure
  • EASE: Open-end construction allows for easy insertion of documents and printing
  • FEATURES: 25 Kraft, 10 x 15, Large Format/Catalog Envelopes
  • SECURE: 2" expansion allows for extra-thick mailings with ease of mind that contents will stay secure
Bestseller No. 4
ABC Gusseted Poly Mailers, Poly Shipping Bags 13x16x4, Expandable White Poly Mailers Pack of 100,...
  • 100 POLY SHIPPING BAGS 13" x 16" x 4": Light, thin, and durable packing and shipping solution is here. With our white shipping bags for clothing, made...
  • POLYETHYLENE FEATURES: The very material of poly mailer serves to protect your packages alongside the way from dirt, dust, particles, and liquids....
  • TAMPER-PROOF SEAL: As we value privacy and security of our customers, we design mailer bags with tamper-proof seals. No one but you and addressee will...
  • GUSSETED AND EXPANDABLE: The bottom of poly bag is expandable and can add up to the volume of shipping bag. Moreover, such a feature allows mailer...
  • MAILERS FOR ANY PURPOSE: Versatility of using poly envelope opens the doors to many spheres. Poly envelopes will come in handy if you mail clothes,...
SaleBestseller No. 5
Amazon Basics 6 3/4 Security Tinted Envelopes with Peel & Seal, 100-Pack, White
  • 100-Pack of 6 envelopes with Peel & Seal closure—no moisture needed
  • Ideal for home or office; securely send checks, invoices, or other confidential documents
  • Interior security tint keeps content private; windowless design
  • 24-pound white woven paper for quality and strength
  • Measures 3-5/8 by 6-1/2 inches each
Bestseller No. 6
XXL Jumbo Expansion Poly Mailers 24 x 21 x 6 inches (Expandable - Gusseted) - 30 Pack - Tough...
  • XXL POLY MAILERS 24 x 21 x 6 Inches: Self-sealing Peel and Stick Extra Tough 2.2mil Tear Proof Plastic mailing bags. Pack of 30 privacy-lined...
  • XXL POLY MAILERS 24 x 21 x 6 Inches: Self-sealing Peel and Stick Extra Tough 2.2mil Tear Proof Plastic mailing bags. Pack of 30 privacy-lined...
  • XXL POLY MAILERS 24 x 21 x 6 Inches: Self-sealing Peel and Stick Extra Tough 2.2mil Tear Proof Plastic mailing bags. Pack of 30 privacy-lined...
  • WE DESIGNED AND PERFECTED THESE for our own business. We ship a lot of bulky items such as cushions, clothing and boxed goods and so created this...
  • PROFESSIONAL Packing: White shipping envelopes are the preferred look for serious online retailers - and that includes Amazon.
SaleBestseller No. 7
Survivor R4510 Tyvek Expansion Mailer, First Class, 10 x 13 x 1 1/2, White (Case of 100)
  • Expansion mailers made with Dupont Tyvek material, lightweight, strong and durable - resistant to tears, punctures, moisture and chemicals
  • Gusseted sides expand up to 1-1/2" to accommodate bulky items
  • Redi-Strip self-seal closure provides a clean, quick seal immediately upon contact
  • First Class Border communicates importance to the recipient
  • Packed 100 per carton for convenience
SaleBestseller No. 8
Survivor R4200 Tyvek Expansion Mailer, 10 x 13 x 1 1/2, White, 18lb (Case of 100)
  • Tyvek white expansion envelope features a Flap-Stik self-adhesive closure.
  • Use for bulky items.
  • Resists punctures, tears and moisture.
  • Expands on sides to fit binders, books, reports.
  • Use instead of cartons or boxes.
Bestseller No. 9
Progo 100 ct 14.5x19 Large Size Self-seal Poly Mailers. Tear-proof, Water-resistant and...
  • Unsurpassed Water & Tear Resistance, heavy duty polyethylene
  • White outer surface, gray inner lining
  • 14.5" x 19" large size, fits a wide variety of items
  • Pressure sensitive self-seal, Light Weight & Time Saving
  • 100 pieces pack
Bestseller No. 10
Blue Summit Supplies 25 Rigid Envelopes, Large Expanding Envelopes Self Seal, Rigid Mailer with E-Z...
  • Ensure your mailings are protected throughout transit with our heavy duty Conformer expansion rigid mailers, made using sturdy 14pt white paper board...
  • Mail documents of varying thickness using the same expansion envelopes thanks to the score lines on all four sides of each mailer, which allow the...
  • Ship with confidence when you use our large extra durable Conformer envelopes, which measure 9.75 x 12.25 inches. Each glue seam is inset from the...
  • Create a professional, tailored look when shipping everything from thin documents or booklets to thick stacks of papers or even books up to 5/8”...
  • Our pack of 25 conformer envelopes stores flat while providing unmatched versatility when mailing items with varied thicknesses, replacing the need...
SaleBestseller No. 11
Quality Park Expansion Envelopes, Redi-Strip, Brown Kraft, 9 x 12 x 2, 25 per Pack, (93334)
  • 2": Gusseted sides expand up to 2" to accommodate extra thick mailings
  • REDI-STRIP: No moisture required with this Redi-Strip closure
  • LESS YUCK: We promise you won't miss licking envelopes or crumbly, drippy sponges; complete your mailings, no accessories required
  • DURABLE: Made from extra heavyweight 40 lb. Brown Kraft
  • GREAT VALUE: Conveniently packed in 25 pack to reduce the frequency of repurchasing
Bestseller No. 12
JAM PAPER Plastic Expansion Envelopes with Elastic Band Closure - Letter Booklet - 9 3/4 x 13 with...
  • Colors: Blue, Clear, Green, Pink, Orange, Purple
  • Size: Letter (9.75 x 13 inches)
  • Quantity: 12 per pack
  • Our stretchy elastic band closure envelopes have a strap that wraps completely around the entire envelope to ensure materials inside stay secure and...
  • These durable, smooth plastic envelopes are the best way to store and organize important documents
Bestseller No. 13
Quality Park Redi Strip Expansion Envelope, 9 x 12 x 2, Kraft, 25/Pack (93334)
  • Sold as 25/Pack.
  • Extra heavyweight, 40-lb. Kraft stock.
  • Redi-StripTM self-adhesive closure.
  • Dimensions: 9""L x 12""H.
  • Redi-strip self-seal closure provides a clean, quick seal immediately upon contact, the peel-off strip protects the adhesive from dust for a longer...
Bestseller No. 14
Quality Park Open-Side Expansion Envelopes, Redi-Strip, Brown Kraft, 10 x 15 x 2, 100 per Box,...
  • DURABLE: Made from sturdy 40 lb. paper stock
  • REDI-STRIP: No moisture required with this Redi-Strip closure
  • EXPANSION: Envelope expands up to 2" to accommodate bulky items
  • EASE: Open-end construction allows for easy insertion of contents
  • FEATURES: 100 Brown Kraft, 10 x 15 x 2, Expansion Envelopes
Bestseller No. 15
Business Source Tyvek Expansion Envelopes, White, 16"x4"
  • Super-strong Tyvek is moisture-resistant and tear-resistant
  • Requires no moisture to seal
  • Open-end style construction for easy insertion
  • Country Of Origin : UNITED STATES
Bestseller No. 16
SaleBestseller No. 17
QUA93334 - Quality Park Redi-Strip Kraft Expansion Envelope
  • Envelope_Size - 9 x 12
  • Envelope/mailer_Type - Expandable Catalog
  • Closure - Self-Adhesive
  • Trade_Size - 90
Bestseller No. 18
JAM PAPER Plastic Expansion Envelopes with Hook & Loop Closure - Letter Booklet - 9 3/4 x 13 with 1...
  • Assorted ( Red, Green, Blue, Yellow, Orange, Purple)
  • Size: 9.75 x 1.25 x 13 inches (Letter Size)
  • Quantity: 6/pack
  • Our colorful envelope set is made of smooth plastic and features a secure hook and loop closure that seals your documents
  • Organize your important papers, memos, projects, presentations, photos, letters, and forms at home, the office, school, or on the go with these useful...
SaleBestseller No. 19
Survivor R4210 Tyvek Expansion Mailer, First Class, 10 x 13 x 1 1/2, White, 18lb (Case of 100)
  • Expansion Mailers Made with DuPont Tyvek Material, lightweight, strong and durable.
  • Tyvek material is resistant to tears, punctures, moisture and chemicals - for long-lasting performance.
  • Tyvek material is also lightweight and can save on postage as well.
  • Gusseted sides expand up to 1-1/2" to accommodate bulky items.
  • First Class Border communicates importance to the recipient.
Bestseller No. 20
FANWU Plastic Letter Size Envelopes with Button & String Tie Closure, 1-1/6" Expansion, Side Load,...
  • 【 Expandable Letter Size Plastic Envelopes 】:Size 13x10 inch (33x25cm), with 1-1/6" gusset. Expanding plastic envelopes have 4 times capacity of...
  • 【 Plastic Folders with String Tie Closure 】:Full size flap with traditional button and string tie closure, its strings are longer and more...
  • 【 Sturdy & Durable Plastic File Envelopes 】:FANWU plastic file envelopes made of high quality Poly material, Acid free and PVC free. Thicker and...
  • 【 Visible in Clear Plastic Envelopes 8.5 x 11 】:FANWU Poly envelopes are clear, see-through, give clear view of contents, makes finding...
  • 【 Easy & Great Storage Tool 】:FANWU plastic translucent document holder is portable to keep your items organized and help you sort the clutter,...

Having trouble finding a great expansion envelope?

This problem is well understood by us because we have gone through the entire expansion envelope research process ourselves, which is why we have put together a comprehensive list of the best expansion envelopes available in the market today.

After hours of searching and using all the models on the market, we have found the best expansion envelope for 2023. See our ranking below!

How Do You Buy The Best Expansion Envelope?

Do you get stressed out thinking about shopping for a great expansion envelope? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching expansion envelope, which is why we have assembled a comprehensive list of the greatest expansion envelope 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 expansion envelope that you consider buying. Your questions might include the following:

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

We’re convinced that you likely have far more questions than just these regarding expansion envelope, 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 expansion envelope, 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 expansion envelope. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an expansion envelope 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 expansion envelope 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 expansion envelope 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 expansion envelope?
  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 expansion envelope.
  5. Customer Ratings: Number ratings grade expansion envelope objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their expansion envelope.
  7. Product Quality: You don’t always get what you pay for with an expansion envelope, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an expansion envelope is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining expansion envelope 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 expansion envelope is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: When should I use an expansion envelope?

A: Leave the heavy boxes and clunky cartons behind by opting for Expansion Envelopes when mailing items too thick to fit in a standard envelope, like books, financial reports, and gifts!

Q: What kind of paper do you use for expansion envelopes?

A: Choose from durable white or brown kraft paper or lightweight and tear-resistant Tyvek® material. All expansion envelopes have a Zip Stick® self-adhesive flap on the short side to help you close the envelope securely.

Q: How many Tyvek envelopes are left in stock?

A: Only 8 left in stock – order soon. . . . . Aviditi TYVEK Expandable First Class Self-Seal Envelopes, 10″ x 13″ x 1 1/2″, White/Green, Top Opening, Tear and Moisture Resistant, For Mailing and Shipping Bulky Documents, Promotional Materials and Brochures, Case of 100 . .

Q: What size are aviditi Tyvek envelopes?

A: Aviditi TYVEK Expandable First Class Self-Seal Envelopes, 10″ x 13″ x 1 1/2″, White/Green, Top Opening, Tear and Moisture Resistant, For Mailing and Shipping Bulky Documents, Promotional Materials and Brochures, Case of 100 . . . . .