Product Details and Features: Details: Size: Outside 42.5*42.5*40cm Exterior Material: 1680D polyester pvc Interior Material: Aluminum Foil Inner lining  Material: 8mm EVA foam Surport Material: PP Board six side insert Webbing: PP Polyester for Heavy Load Usage: Backpack Carry/Hand Carry Features 1. Pizza Delivery Backpack, 42.5cm x 42.5cm x 40 cm,Food Delivery Backpack, Food Delivery Bag, Thermal Backpack,Heat Insulated Backpack, Insulated Backpack. 2. Made of resistant 1680D Nylon,Double softpad on back, reflectors for greater security in low light conditions. Isothermal coating that keeps food hot for longer 3. With foam inside that have high insulation Usage scenarios: Packing and shipping: 1. Packing in the poly bag 2. 4-7bag one master carton 3. Carton packing with outside safe belt 4. Loading in the container or ship to the warehouse. Company: Guangzhou Acoolda Bags Industry Co.,Ltd is an expert manufacture in cooler bag, food delivery bag, scooter cooler bag ,food delivery backpack items. Our factory have more than 400 staffs and with three production building that more than 10000 square meters. We can produce 60000 pieces food delivery bag per month. We are not only a production king but also familiar with the trade business work (we have a strong and young team). Good communication +super order forlloing service which control the product quality and timely delivery ! Welcome you to contact us !