Product Details and Features: Details: Size: Outside 42*30*50cm Exterior Material: 840D pvc Interior Material: PEVA Inner lining  Material: 8mm EVA foam Surport Material: PP Board in the bottom Webbing: PP Polyester for Heavy Load Usage: Backpack Carry Features 1. Backpack design,easy to carry.Lightweight and durable. This food delivery messenger backpack is designed in a way that it holds too much items. But its super light structure allows you to be comfortable while carrying the load on your shoulders. 2. Heat preservation for 2~3 hours. 3. Shining outside material , the rain would not stay on the bag. 4. Roll up design it is easy to close or open 5. Side pocket offers more storage for beverages, cutlery and condiments for the food delivery. 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 !