Product Details and Features: Details: Size: Outside 40*40*40cm Exterior Material: 840D pvc Interior Material: Aluminum Foil Inner lining  Material: 6mm EVA foam Support Material: PP Board insert support Webbing: PP Polyester for Heavy Load Usage: Backpack Carry, Handle Features 1. Backpack and handle design,easy to carry. 2. Large capacity, can send more orders. 3. Heat preservation for 2~3 hours. 4. Shining outside material , the rain would not stay on the bag. 5. Front opening zipper closure. 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 !