1. Longer Cooling Time 20h: Backpack cooler is made of quality PEVA material and thick insulating foam. Our waterproof backpack with cooler compartment keeps your food and drinks at the desired temperature (hot or cold) for 8 20hrs. You can drink cold beer, eat snacks or fruit with friends or family anytime. 2. Leakproof and Longlasting: The hard liner and waterproof zippers make our backpack coolers insulated and leak proof, ensuring your drinks and food are safely stored. Sturdy material and sturdy stitching ensure these cooler bags insulated for travel will have a long service life. The backpack coolers insulated and leak proof are for kayaking, fishing, and golf. 3. Versatile: Our soft sided cooler is ideal for any occasion. Besides being used as an cooler bag, it can be used as a beer cooler, boat cooler, ice cooler, dry ice chest, backpack lunch bag for men and women, hiking backpack, camping backpack, drink cooler, and beach cooler bag. In addition, ergonomic and padded shoulder straps greatly relieve shoulder pressure, making the journey more comfortable. 4. Multiple Compartments: 1 main large soft coolers insulated and leak proof storage compartment for drinks or food, 2 pockets in front for your dry items, and 2 plus large mesh side pockets which are space for tall beverages or water bottles. It is ideal as a picnic backpack or lunch backpack for men. It is a cooler bag insulated!