6x39" Self-Seal Poly Mailers 2.5 Mil White - 100 Count Case
$69.07
/ case of 100$0.69 per mailer
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Ships from the nearest of 5 US warehouses · freight calculated at checkout
30-day returns on stock items · Return policy
Inside dimensions
6" × 39"
Board / material
2.5 Mil Polyethylene
Color
White
Freight class
Class 60
Specifications
| Inside dimensions | 6" × 39" (L × W) |
|---|---|
| Board / material | 2.5 Mil Polyethylene |
| Color | White |
| Sold as | Case of 100 |
| Order in multiples of | 1 |
| Case weight | 7.2 lb |
| Outer carton (shipping) | 13.25 × 7.25 × 3.25 in |
| LTL freight class | Class 60 |
| GTIN | 841436089760 |
| SKU | LPM639 |
About this item
SKU LPM639 — 6" × 39", 2.5 Mil Polyethylene, White. Sold as a case of 100, shipped from US warehouses.
The 6x39" Self-Seal Poly Mailers 2.5 Mil White - 100 Count Case is a shipping mailer for documents, catalogs, apparel, small parts, photos, and lightweight e-commerce orders. Listed specs include size 6" x 39"; white material; 2.5 Mil; case of 100. Use it as a mailing envelope, poly mailer, padded mailer, or flat document shipper when the item fits the listed size.
Large poly mailers: Good fit for shipping clothing, apparel, soft goods, returns, catalog packs, and other non-fragile ecommerce orders. These mailers help ecommerce teams and small businesses choose protective, right-sized packaging for common fulfillment workflows.
Common questions
Do these mailers require tape or additional sealing materials?
No. The integrated self-seal adhesive strip provides secure closure with a simple press-and-seal motion. This built-in feature eliminates tape costs and accelerates packing operations while ensuring consistent sealing quality.
What level of protection does the 2.5 mil polyethylene provide?
The 2.5 mil thickness delivers reliable tear and puncture resistance for standard e-commerce shipments. The moisture-resistant polyethylene protects contents from water damage and environmental exposure during transit and storage.
Are these mailers suitable for branded unboxing experiences?
Yes. The clean white exterior provides a professional appearance and serves as a blank canvas for custom branding, printing, or logo placement, enhancing customer perception and brand consistency.
What items work best in 39" x 6" mailers?
These long, narrow mailers are ideal for apparel (shirts, scarves, belts), rolled posters, documents, promotional materials, and other elongated items. The compact width minimizes dimensional weight charges while protecting contents.
Order support
Questions on specs or freight?
Send the SKU, quantity, and delivery ZIP and we will confirm specs, availability, and freight before you order.