- Dimensions: 15" x 20" x 4" exterior
- Material: 2.5 Mil Polyethylene
- Quantity: 100 mailers per case
- Weight: Approximately 6.66 lbs per case
- Shipping: Parcel eligible
These 15 x 20 x 4 inch expansion poly mailers are built from 2.5 mil polyethylene with a gusseted bottom that opens to accommodate contents up to 4 inches thick. The white exterior accepts adhesive labels, stamps, and direct-print ink cleanly, while the silver interior lining provides an added layer of protection against handling abrasion.
The gusseted design makes these mailers a practical fit for binders, folded garments, bundled documents, boxed accessories, and catalogues — applications where a flat mailer would compress or distort contents. Apparel brands, subscription box fulfillment centers, and B2B distributors shipping print materials all benefit from the added depth.
Each mailer features a self-seal adhesive strip and a double perforation tear strip for tamper-evident closure and clean recipient opening. High-strength seams hold under full load capacity. The 2.5 mil polyethylene construction is puncture, tear, and moisture resistant. Sold in cases of 100; parcel-friendly.
- Strength Material:
- 2.5 Mil Polyethylene
- Shipping Unit:
- 100 PER CASE
- Width:
- 15.00"
- Height:
- 20.00"
- Depth:
- 4.00"