11" x 13" + 4BG 2.5 Mil Expansion Poly Mailers

Our Expansion Poly Mailers are expertly crafted from Low-Density Polyethylene (LDPE), a material renowned for its flexibility and durability. These mailers feature Sideweld construction for enhanced seam strength, making them highly resistant to tearing and ensuring secure shipments. The incorporation of Co-extruded Polyethylene (Co-ex PE) adds extra structural integrity and multilayer protection. Designed with an expandable bottom gusset, these mailers are perfect for accommodating bulkier items. The white exterior and silver interior provide an opaque finish, ensuring complete privacy of the contents. With a shelf life of 5-10 years, these mailers should be stored in a cool, dry place below 120°F and away from direct sunlight to maintain their quality. Ideal for shipping non-fragile items such as textiles, apparel, and bulk documents, these mailers offer versatile and secure packaging solutions for a variety of shipping needs.