Equipped with detachable shoulder straps, better free your hands. Suitable for mountain climbing, camping, fishing and other outdoor activities. Long-lasting ice preservation for 68 hours, while enjoying the scenery with your friends and family, drink iced drinks and delicious fruits. High airtight waterproof zipper, no matter how bumpy it is, it won't leak from side to side. Key Features: Closed-Cell foam insulation and the highest density NBR foam provide superior cooling effect.Wide mouth flip-top lid for easy access to what you want.High airtight waterproof zipper.Come with 1 detachable shoulder strap and 3 reinforced side handles.Bottle opener, help open cold drinksSide mesh pocket for extra storage.Nylon MOLLE webbing easily hang outdoor necessities.4 cup holders are molded into the lid.Specification: ModelSC21-BPCapacity21LNumber of cans35(330ml/11oz. Tall can)Insulation time72hExterior sizeL 370*226*H 475 mmInterior sizeL 317*173*H 382 mmN.W1.99KGG.W 2.8KGPackage:Softer cooler SC21*1Double Shoulder Straps*1Single shoulder strap*1User Manuals*1