Allied Metal's thermal insulated delivery bags keep pizza oven fresh for up to 45 minutes in the coldest weather. 20" x 20" (50.8cm x 50.8cm). Constructed of easy to clean, high quality heavy duty vinyl. The bag features a velcro tape closure and vent holes ensure the pizza will not get soggy. Designed to hold two pizzas. Also includes a riveted nylon strap that ensures each pizza is held upright.