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Sample Kit

10 samples of Lightweight 10 x 13 Mailer – $10, 10 samples of Lightweight 12 x 15 Mailer – $10, 10 samples of Lightweight 7.325 x 9.625 Mailer – $10, 3 samples of each of the Heavy Duty Mailers – $9, 3 samples of each of the Lightweight Mailers – $9, 10 Samples of Heavy Duty 7" x 9" Mailers $10, 10 Samples of Heavy Duty 9" x 12" Mailers $10, 10 Samples of Heavy Duty 9.75″ X 12.75″ Mailers $10

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Heavy Duty Medium Mailers

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Medium mailers by Best Mailer are a great fit for nutraceuticals, blister pack supplements, and more. Designed with the online business in mind, trust these mailers to represent your e-commerce business with style and get your products delivered in the best shape.  

Ship Your Package with Confidence

Our medium mailers are convenient and easy to use while protecting your products on their way to your customers. Featuring a self-seal strip, a pull-tab tear strip and made from heavy-duty board, Best Mailer packaging solutions streamline your shipping and reflect the quality of your brand and your products.
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Classic Courier Portolio – Tuck-in-tab Closure

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Designed to fit standard 8.5″ x 11″ materials, this document portfolio is perfect for books, reports, proposals, and catalogs. Made from top quality materials, this portfolio is bound to make an impression either handed out or delivered via USPS. Measuring 9.75″ x 12.25″, this document portfolio starts perfectly flat (like all Conformer Products) and has a maximum capacity of 0.75″ and feature a simple yet effective four tab locking closure. Portfolios can be produced in a wide selection of linen and coated stocks with printing, foil stamping or embossing. Your choice of overall gloss, satin or matte aqueous. UV, Spot or Soft Touch coatings are also available. Choice of overall gloss, satin or matte aqueous. Additional charge for: Lamination, UV, Spot and Soft Touch.
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Heavy Duty Large Mailers

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Large mailers by Best Mailer are perfect for e-commerce businesses shipping soft goods. Delight the customers of your online clothing store by mailing t-shirts, small garments, apparel and other fashion products in these sturdy, expandable mailers.  

The Eco-Friendly Packaging Solution

Made from 100% recycled material and fully recyclable, our large mailers are a light packaging solution that goes toe-to-toe with bubble mailers and polybags. Best Mailer is ideal to safely deliver your packages while reducing your business's environmental impact.
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Lightweight Medium Mailers – White

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Best Mailer's lightweight medium white mailers expand to fit your package's unique needs. Our paperboard mailer collection's expansion capacity is 1", making it an ideal fit when mailing hardcover books, clothing, photos, documents, portfolios, and much more. Peel & Stick Closure, complete with a Tearstring for easy opening!
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Standard Portfolio, Velcro Closure

$0.72 Select options
This portfolio with Velcro closure is perfect for a wide range of tasks. Perfect for every day use, it is designed to fit presentation folders, general marketing materials, product samples, you name it. Made from top quality materials, this portfolio is bound to make an impression either handed out or delivered via USPS. Measuring 10.25″ x 13″, this portfolio starts perfectly flat (like all Conformer Products) and has a maximum capacity of 1″ and feature a simple yet effective two tab locking closure. Portfolios can be produced in a wide selection of linen and coated stocks with printing, foil stamping or embossing. Your choice of overall gloss, satin or matte aqueous. UV, Spot or Soft Touch coatings are also available. Choice of overall gloss, satin or matte aqueous. Additional charge for: Lamination, UV, Spot and Soft Touch.
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Heavy Duty Extra Small Mailers

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Super Tough Extra Small Mailers

Best Mailer’s expandable mailers hold more than you think. These self-sealing extra small mailers keep your products safe. Best e-commerce shipping solution for
  • Smartphones accessories
  • Jewelry
  • Books
  • And more

Intentionally Eco-Friendly

We’re on a mission to reduce poly waste and help eCommerce businesses stay eco-conscious. Our kraft mailers are made of 100% recycled stock. Give your customers peace of mind knowing they can toss your mailers in the recycle bin. Ideal packaging for any eco-conscious business and customers. 
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