Check the listing for details. 40 Cans Backpack Cooler Camping Picnic Insulated Leakproof Double Deck Lunch Bag. Color: Blue, Condition: New. Listed at 39.99 USD. 【16 Hours Retention】The inner insulation of the backpack cooler is thickened with 8mm foam and the leak proof PEVA liner works together to keep food and drinks cold up to 16 hours. 【Waterproof & Lightweight】The outermost layer of the cooler backpack is made of high-density scratch-resistant 600D oxford fabric with PVC Coating ensuring 100% waterproof and easy to clean. 【2 Insulated Compartments & Multi-Pockets】The backpack cooler includes 1 main large insulated leak proof storage compartment for drinks, 1 upper compartment used to organize dry items, 1 front zipper pocket that comes with a mesh pocket for accessories. 2 side pockets, one for holding tissues and the other for holding objects such as umbrellas.1 hidden pocket on the back great for store cell phones and valuables!.