Durable Poly Mailers for Secure Shipping

Poly mailers and mailing bags are available in a wide range of sizes, from 5" x 8.5" up to 14.5" x 20", depending on the product type selected. With 414+ SKUs across multiple styles, you can find the right dimensions for documents, apparel, small goods, and larger items alike.

Poly mailers are available in several materials including nylon reinforced, bubble-lined poly, clear view poly, Tyvek (flat and expandable), corrugated Kraft, and corrugated white. Each material offers a different level of protection, weight, and moisture resistance, allowing you to choose based on your product's fragility and shipping conditions.

Yes. Poly mailers and Tyvek envelopes offer moisture-resistant properties that protect contents from humidity and light water exposure during transit. Products in this range meet WRA (Water Resistance Association) standards, making them a dependable choice for shipping moisture-sensitive items such as documents, apparel, and electronics accessories.

Poly mailers are lightweight plastic envelopes ideal for non-fragile items like clothing, documents, and soft goods. Bubble mailers add a bubble-lined interior for cushioning, making them suitable for fragile or delicate items such as electronics, jewelry, or glassware. Both options are moisture-resistant, but bubble mailers provide an additional layer of impact protection.

Absolutely. Poly mailers are one of the most popular packaging options for e-commerce fulfillment due to their lightweight design, cost-efficiency, and durability. They reduce shipping costs compared to boxes, are easy to store flat, and come in a variety of sizes to accommodate a broad range of products, from apparel to accessories.

Yes, poly mailers and mailing bags from Cardboard Boxes 4 U are available in bulk case quantities. Pricing ranges across the catalog from $137.79 to $519.89 per unit/case. For specific volume pricing or large-order inquiries, contact the sales team directly at (888) 333-9513 or visit cardboardboxes4u.com.