Oversized Shipping for Apparel, Event Kits, and Large Soft Goods The 24 x 24 poly mailer is built for oversized promotional shipments that need space, strength, and reliability. Crafted from 2.5 mil LLDPE/LDPE film, this large-format mailer accommodates bulky apparel, multiple garments, event kits, and soft promotional products with ease—while remaining significantly lighter than traditional boxes. A white exterior ensures a clean, professional look during transit, and the black interior adds opacity for discreet shipping. The clear self-seal closure provides fast, secure sealing, helping streamline packing even for large orders. Fully recyclable and designed for efficient shipping, this poly mailer is a smart choice for programs that require scale, flexibility, and dependable protection.