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5 Best Flat Mailers of 2025

Last Updated - 2025/10/14

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Anzices

6x8 Inch Rigid Mailers, 200 Pack Cardboard Mailing Envelopes, Small Self Adhesive Photo Mailer, Lightweight Stay Flat Mailers for Shipping CD, Pictures, Document, Collectible Trading Cards - Brown

Anzices

CA$40.00

More Details
Main highlights
- Quality Material: made of high quality 250 gsm cardboard, our document mailer will assure contents arriving at their destination unharmed; The upgraded adhesive on cardboard mailers creates a strong lasting seal and prevents your contents from falling out during transit, without worry about leaking privacy
- Protect Privacy: the untransparent brown color and sturdy layers to block light and shield contents from view, greatly protect your privacy. Our mailer envelopes will help save you money as they are a low-cost versatile mailing solution with better edge and corner to protect your items
- Portable Size: each document mailer measures about 6 x 8 inch, perfect for storing 5x7 inch photos, simply peel and press the closure tightly to adhere the ends together, then you can ship them full of confidence. You can also use stickers, logos, and stamps to customize the envelopes for your small business
- Broad Applicability: these disk envelopes could greatly preserve your valuable art prints, photos, CDs, certificates, paper, booklets, handbooks, catalogs, literature, invitations, and important documents safe when in delivery, ensuring your items stay inside well, but also reducing the cost of shipping simultaneously
- 6x8 Photo Mailers: you will receive 200 rigid mailers, provides an ample amount so that you won't run out of mailers anytime soon, ideal for post offices, office stationery suppliers, online stores, home or personal use, the classic brown color gives it a professional appearance
CA$40.00
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Juvale

100 Pack 6x8 Rigid Mailers - 550 GSM Thick Self Adhesive Stay Flat Cardboard Envelopes for Shipping Photos, Documents, Collectible Trading Cards (White)

Juvale

CA$36.99

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Main highlights
- What's Included: In this bulk pack, you will receive 100 white sturdy mailer envelopes to ensure you always have one on hand when you need to ship photos, documents, and prints
- Thick Photo Mailers: These photo envelopes have an adhesive strip at the top to ensure contents remain inside while in transit; simply peel, seal, then press to adhere the two ends together
- Reliable Material: Our heavy-duty 550gsm cardboard mailers are thick enough to protect your photos from bending and scratching while also reducing your cost of shipping
- Fully Customizable: The rigid envelopes each measure 6x8 inches and can hold 5x7 photos; use stickers, logos, and stamps to customize the envelopes for your small business
- 6x8 Stay Flat Mailers: Protect valuable art prints, photos, media, jewelry, and documents while shipping with these 6x8 rigid mailers that include a self-adhesive seal to secure your contents inside
CA$36.99
3
Best Value

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

zmybcpack

zmybcpack 100 Pack 7x9 inch Self Seal Rigid Mailer Stay Flat Cardboard Mailers, White Cardboard Shipping Envelopes White Photo Document Mailers for CD, Photos, Document

zmybcpack

CA$33.24

CA$34.99
(5% Off)

More Details
Main highlights
- These Seal Photo Document Mailer are ideal for post offices, logistic shipping companies, packaging wholesalers, mail order companies, office stationery suppliers, online stores, home or personal use.
- Package contains: 100 pack 7X9 inch Self Seal Photo Document Mailers.
- Material: Made of high quality 400gsm paperboard material.
- Easy to peal & seal: Easy to peel and seal with a strong flap adhesive, no need extra licking of glue or water to moisten. Tear strip design for photo mailer also helps you open its package without struggle.
- Document Mailers Size: 7X9 inch (17.78 x 22.86 cm). Perfect size for art prints, photos, CDs, certificates, documents, paper, handbook, catalogue, literature, sheets, manual, booklets, invitations, blueprint, etc.
CA$33.24
CA$34.99 (5% Off)
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

zmybcpack

zmybcpack 50 Pack 6X8 inch Self Seal Photo Document Mailers Stay Flat Rigid Mailer Kraft Cardboard Envelopes Photography Mailers for CD, Photos, Document(Kraft Brown)

zmybcpack

CA$23.99

More Details
Main highlights
- These 6x8 inch Seal Photo Document Mailers are perfect for mailing CD, photographs, documents, etc. Ideal choice post offices, logistic shipping companies, packaging wholesalers, mail order companies, office stationery suppliers, online stores, home or personal use.
- Package contains: 50 pack 6X8 inch Self Seal Photo Document Mailers. Color: Kraft Brown.
- Material: Made of 420gsm kraft paperboard. Each mailer’s weight 30g , thickness 1.8-2mm .
- Easy to peal & seal: Easy to peel and seal with a strong flap adhesive, no need extra licking of glue or water to moisten. Tear strip design for photo mailer also helps you open its package without struggle.
- Document Mailers Size: 6X8 inch (15.1x20.3cm). Perfect size for art prints, photos, CDs, certificates, documents, paper, handbook, catalogue, literature, sheets, manual, booklets, invitations, blueprint, etc.
CA$23.99
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

zmybcpack

zmybcpack 50 Pack 9.5X12.5 inch Self Seal Rigid Mailer Stay Flat Cardboard Mailers, White Cardboard Shipping Envelopes White Photo Document Mailers for CD, Photos, Document

zmybcpack

CA$31.34

CA$32.99
(5% Off)

More Details
Main highlights
- These Seal Photo Document Mailers are perfect for mailing CD, photographs, documents, etc. Ideal choice post offices, packaging wholesalers, mail order companies, office stationery suppliers, online stores, home or personal use.
- Package contains: 50 pack 9.5x12.5 inch Self Seal Photo Document Mailers.
- Material: Made of 450gsm paperboard. Each rigid mailer with white and clean look to make it look more professional and official.
- Easy to peal & seal: Easy to peel and seal with a strong flap adhesive, no need extra licking of glue or water to moisten. Tear strip design for photo mailer also helps you open its package without struggle.
- Document Mailers Using Size: 9.5 x 12.5inch (24.2 x 31.75cm). Perfect size rigid envelop mailers with horizontal opening design is for easy putting art prints, photos, CDs, certificates, documents, files.
CA$31.34
CA$32.99 (5% Off)

5 Best Flat Mailers of 2025

6x8 Inch Rigid Mailers, 200 Pack Cardboard Mailing Envelopes, Small Self Adhesive Photo Mailer, Lightweight Stay Flat Mailers for Shipping CD, Pictures, Document, Collectible Trading Cards - Brown

100 Pack 6x8 Rigid Mailers - 550 GSM Thick Self Adhesive Stay Flat Cardboard Envelopes for Shipping Photos, Documents, Collectible Trading Cards (White)

zmybcpack 100 Pack 7x9 inch Self Seal Rigid Mailer Stay Flat Cardboard Mailers, White Cardboard Shipping Envelopes White Photo Document Mailers for CD, Photos, Document

zmybcpack 50 Pack 6X8 inch Self Seal Photo Document Mailers Stay Flat Rigid Mailer Kraft Cardboard Envelopes Photography Mailers for CD, Photos, Document(Kraft Brown)

zmybcpack 50 Pack 9.5X12.5 inch Self Seal Rigid Mailer Stay Flat Cardboard Mailers, White Cardboard Shipping Envelopes White Photo Document Mailers for CD, Photos, Document

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