AllPurpose expandable design: This insulated backpack is not limited to pizza. It supports various delivery styles, including walking, cycling, or transit, making it a versatile option for hot meals on the go. Temperature control and protection: Built with durable Oxford fabric, PE foam insulation, and an aluminum film lining. Internal support rods maintain shape and reinforce heat retention. Ample capacity for hot orders: The roomy, expandable main compartment holds multiple large orders while keeping contents hot and fresh. Stable and reliable: Padded base and extra support boards provide stability when carrying heavy loads and protect the food during transport. Practical use scenarios: Daily pizza or hot meal deliveries by foot or bike in urban areas. Office catering or group orders where multiple trays are needed. Takeout for events or gatherings requiring reliable heat retention. Key materials and performance: Oxford fabric, PE foam, aluminum film. Durable, easy to clean, and designed for repeated use.