Packaging Knowledge Center

Custom Packaging Guides for Clothing & E-commerce Brands

Practical answers on packaging sizes, materials, printing, shipping protection and ordering custom bags for apparel, swimwear, activewear and online retail products.

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Aug 3, 2026Buying Guides

What Size Mailer for Sweatshirt

Lightweight/S-M: 10" x 13" Standard S–L: 12" x 15.5" Fleece-lined/XL-XXL: 14.5" x 19" Oversized/multi-pack: 19" x 24"

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Aug 3, 2026Buying Guides

Poly Mailer Size for Hoodie

Light hoodies (8–12 oz): 10" x 13" Mid hoodies (12–16 oz, most common): 12" x 15.5" Heavy/XL-XXL (16–24 oz): 14.5" x 19" Bulky/multi-pack: 19" x 24"

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Jul 22, 2026Buying Guides

What size shipping bag fits a hoodie?

Heavyweight or fleece-lined hoodies (16-24 oz) need a 14.5" x 19" poly mailer for proper fit.More larger size or heavy hoodie can use 20*24'' mailing bag for shipment. Poly mailers cost 40-60% less.

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Jul 22, 2026Material Notes

Are poly mailers waterproof?

The practical answer is that poly mailers are water-resistant and help protect shipments from normal moisture exposure during transit.

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