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Best mailers - February 2026

Last Updated - February 3, 2026

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.

Acellegic

Acellegic 25 Pack Insulated Mailer Metalized Envelopes 9" x 12" Pouch for Cold Shipping Vaccines, Pharmaceuticals, Perishables & Lab Samples

Acellegic

$79.99

More Details
Main highlights
- Self-adhesive Tamper-evident Seal: the self-adhesive seal allows quick and reliable closure, provides clear visual evidence of tampering, and enhances delivery security so recipients can verify package integrity upon arrival and feel more confident about contents
- Package Contents and Size: each pack contains 25 insulated metalized mailer envelopes, sized 9 x 12 inches; The quantity supports multiple shipments or sharing with family and friends, providing a steady supply for regular mailing needs
- Cushioning Sponge Layer: vacuum packaging is applied to compress the internal cushioning; After opening the envelope, the sponge layer restores thickness within moments, increasing buffer protection and reducing impact risk during handling and transport
- Composite Barrier Materials: inner and outer composite layers form a continuous barrier that resists water, moisture and odor intrusion, helping to preserve the hygiene of samples or food items
- Cold-chain Transport Performance: designed for cold-chain transport, the outer metalized film effectively reflects external heat and slows thermal transfer, helping to maintain internal low-temperature stability during transit and reducing temperature fluctuations for items
$79.99
2

✖
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.

Ayearparty

Ayearparty 500 Pcs 6.5 x 4.5 Inch Rigid Photo Mailers with Self-Adhesive White Cardboard Card Shipping Envelopes Bulk Stay Flat for Document CD Paper Picture

Ayearparty

$68.99

More Details
Main highlights
- Versatile Applications: Perfect for post offices, office supply stores, online retailers, and personal use, these photo document mailers are an efficient solution for all your mailing requirements
- User-Friendly Design: Featuring a convenient adhesive strip at the top for easy peel-and-seal closure, our mailers ensure secure packing. The self-adhesive seal effectively protects your items from moisture, dirt, and dust during transit
- Plenty Lightweight Package: Come with 500 pieces of 6.5 x 4.5 Inch cardboard envelopes,crafted from 300gsm paper.Enough quantity for your daily use
- Perfect Size: Each cardboard envelope measures approximately 6.5 x 4.5 inches, making them ideal for various items such as art prints, photos, CDs, certificates, documents, handbooks, catalogs, manuals, booklets, invitations, and more
$68.99
3

✖
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.

Amazon Basics

Amazon Basics 10 Security-Tinted Self-Seal Business Letter Envelopes, Peel & Seal Adhesive Closure, White, 500-Pack

Amazon Basics

$18.99

More Details
Main highlights
- Product dimensions: 12.2 x 9.9 x 4.13 inch
- Peel-and-seal closure; no moisture needed
- Interior security tint for privacy; securely send checks, invoices, or other confidential documents
- Includes 500 - 10 envelopes made of 24-pound white woven paper; smooth surface works well for direct printing
- 10 business letter envelopes for home or office
$18.99
4

✖
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.

Amazon Basics

Amazon Basics 10 Security-Tinted Self-Seal Business Letter Envelopes, Peel & Seal Adhesive Closure, White, 500-Pack

Amazon Basics

$18.04

$18.99
(5% Off)

More Details
Main highlights
- Product dimensions: 12.2 x 9.9 x 4.13 inch
- Peel-and-seal closure; no moisture needed
- Interior security tint for privacy; securely send checks, invoices, or other confidential documents
- Includes 500 - 10 envelopes made of 24-pound white woven paper; smooth surface works well for direct printing
- 10 business letter envelopes for home or office
$18.04
$18.99 (5% Off)
5
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.

Fuxury

Fuxury Bubble Mailers 6x10" 100 Pack Black Padded Envelopes Usable Size 6x9" Thick Mailing Envelopes Bubble Opaque Padded Mailers Shipping Bags for Mailing Jewelry Makeup Small Business#0

Fuxury

$23.99

$25.89
(7% Off)

More Details
Main highlights
- Value for Money: 100 Pack Padded shipping envelopes, every one 0.3oz, more lightweight and affordable, not require extra packaging material, which can improve your company productivity at work.
- Sturdy & Durability: 6x10 bubble mailers are crafted with only the finest materials are waterproof ,cushioning ,tear-resistant, puncture-proof, they can keep your value stuff safely to destination even though using on foggy or rainy days.
- Strong Adhesion & Self-Sealing: Our bubble shipping envelopes feature a four-season adhesive that maintains strong adhesion throughout the year and a reliable self-sealing closure to ensure your packages arrive safely at their destination.
- Perfect Size Black Bubble Mailer: The poly bubble mailers outer size is 6x10 inch, while the inner size is 6x9 inch. It is very suitable for transporting jewelry, makeup, cards, phone case, lips, photos, handcraft and more.Great for small business packing,shipping gifts cushioning mailer.
- Easy to Use & Efficient: Each poly bubble mailer contains a strong self-sealing adhesive strip. Just simply peel off and fold over to seal each package safely and securely.
$23.99
$25.89 (7% Off)

Best mailers - February 2026

Acellegic 25 Pack Insulated Mailer Metalized Envelopes 9" x 12" Pouch for Cold Shipping Vaccines, Pharmaceuticals, Perishables & Lab Samples

Ayearparty 500 Pcs 6.5 x 4.5 Inch Rigid Photo Mailers with Self-Adhesive White Cardboard Card Shipping Envelopes Bulk Stay Flat for Document CD Paper Picture

Amazon Basics 10 Security-Tinted Self-Seal Business Letter Envelopes, Peel & Seal Adhesive Closure, White, 500-Pack

Amazon Basics 10 Security-Tinted Self-Seal Business Letter Envelopes, Peel & Seal Adhesive Closure, White, 500-Pack

Fuxury Bubble Mailers 6x10" 100 Pack Black Padded Envelopes Usable Size 6x9" Thick Mailing Envelopes Bubble Opaque Padded Mailers Shipping Bags for Mailing Jewelry Makeup Small Business#0

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Fuxury Bubble Mailers 6x10" 100 Pack Black Padded Envelopes Usable Size 6x9" Thick Mailing Envelopes Bubble Opaque Padded Mailers Shipping Bags for Mailing Jewelry Makeup Small Business#0

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Amazon Basics Clasp Kraft Envelopes, Gummed Mailing Envelope, 10 x 13 inch, 100-Pack

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