About this item 600D Oxford Imported High quality 600d Oxford fabric in the surface of the insulated cooler for waterproof and durable. The interior lining is made of a high-density layer of waterproof insulated foam and leak-proof PEVA material. It means working efficiently to keep drink at the ideal temperature without leaking.The back and shoulder straps of our soft coolers insulated leak proof backpack are equipped with breathable mesh cushions that can relieve the pressure on the back and shoulders,making you more comfortable. Large Cooler backpack Size: 17*13*8". There is a main storage compartment that can hold up 30 cans and some ice bags. 2 mesh pockets in two sides,you can put the drink in temperature there or hot water if someone on the journey won't drink chilled drink. In addition to this, there are several storage compartments that can hold various things. Spacious enough to store all the necessities when you go outdoors. You must want to drink a cold drink after climbing or eat fruit taken out of the refrigerator in the outdoor activities. Our insulated backpack coolers can help you achieve this. Insulation material and leak-proof liner inside of the backpack cooler can keep your drinks or food warm or cold for extended periods. You can enjoy the chilled drink even if you have gone out for hours. Our backpack cooler for men and women is a great choice for outdoor activities. We have a variety of patterns to choose from, suitable for both men and women. This travel cooler is not only can be a tourit cooler backpack, but also camping coolers, beach cooler backpack, picnic backpack, hiking backpack, camping backpack, fishing bag, tourit backpack cooler, beach cooler bag, golf cooler bag. The outer material is dustproof, water resistant and easy to clean. The lining is customized PEVA, you can gently wipe with paper towel or damp cloth to clean. Do not put your large cooler bag in the washing machine. Store the backpack waterproof in a dry, cool place when not in use. We are very concerned about your use experience, if you have any question, please feel free to contact us.