Description Constructed of a durable polyester outer shell / liner and filled with EPE for insulation to keep your pizzas piping hot for extended periods of time. The heavy stitching around the exterior allows for extra durability, preventing rips and tears at the seams. This pizza bag features a secure Velcro strip enclosure mechanism to lock food in place for minimal movement during transport, and features reinforced yet comfortable dual handles for easy carry. Additionally, a clear ID window is located at the top of the bag to hold menus, coupons, receipts, business cards, or order tickets. Outer shell/liner: polyester; Filling: EPE Heat retention: 2 hours @ 167°F; 4 hours @ 131°F; 6 hours @ 95°F