Flat Poly Mailers

Flat Poly Mailers – Lightweight & Waterproof Shipping Bags

Flat poly mailers are a cost-effective, lightweight shipping solution for businesses that need fast, reliable, and professional packaging. Made from strong polyethylene film, these flat shipping mailers are tear-resistant, puncture-resistant, and fully waterproof—protecting shipments from moisture, dirt, and handling damage during transit.

Designed for high-volume shipping, our flat poly mailers feature a permanent self-seal adhesive strip for quick packing and secure closure. Their slim profile helps reduce dimensional weight, making them ideal for lowering shipping costs on domestic and commercial deliveries. These plastic shipping mailers are commonly used for shipping clothing, apparel, soft goods, documents, textiles, and non-fragile products.

PolyPaper flat poly mailers are available in multiple sizes and popular colors such as light gray and black, making them suitable for e-commerce stores, warehouses, fulfillment centers, retailers, and wholesale distributors. Whether you need poly mailers in bulk, wholesale poly mailers, or reliable shipping bags for daily operations, our flat poly mailers deliver consistent quality and performance.

Buy flat poly mailers in bulk and streamline your packaging process with durable, professional shipping mailers built for speed, protection, and efficiency.

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Convenient Auto-Delivery

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With our auto-delivery option, your favorite products arrive right on time—no reminders, no reordering.

Automatic Shipments – Delivered on your schedule (weekly, monthly—you choose).
Set It & Forget It – One-time setup, hassle-free refills.
Extra Savings – Enjoy discounts just for subscribing.
Fully Flexible – Pause, skip, or cancel anytime.

Stay stocked without the stress. Auto-delivery makes life easier—so you can focus on everything else.

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What is PP/+ ?

PP/+ is our free loyalty program. It gives you 1 point for every $10 spent and allows you to redeem points for product discounts. Plus you'll receive free shipping, first access to our newest products, and much more. As a member, you’ll get loyalty rewards for products and events you’re interested in. Sign up here.

Membership is 100% free and easy to join. Joining online only takes three clicks and you're ready to enjoy all the benefits of PP/+. Sign up here.

What I will get ?

Earn 1 point for every $10 dollar spent. 100 points = $10 discount

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Access to PolyPaper wholesale section

How to use points ?

You'll earn 1 point for every $10 spent at polypaper.com. Once you earn 100 points we'll reward you with a $10 discount on your next purchase. You will be able to redeem at checkout.