15 x 20 x 4 Envelopes

These 15 x 20 poly mailers offer a 4-inch expansion to accommodate bulky items or multiple products in one package. Constructed from polyethylene, a strong and flexible material, these mailers are perfect for shipping clothing, textiles, or other non-fragile items. The 4-inch expansion ensures that even larger or awkwardly shaped items can be enclosed securely. The self-adhesive closure adds to the convenience, making packaging quick and efficient. These poly mailers are an excellent choice for businesses and individuals needing a versatile and reliable shipping solution.