· Leak-proof liner with edible grade EPVA and seamless hot pressing ensures no leaks; enjoy cold drinks and fresh snacks anytime. · 22-hour insulation keeps food and drinks cold or hot for hours, perfect for camping, beach, hiking, and travel. · Large 32L capacity holds up to 36 cans; multiple pockets organize cutlery, phone, umbrella, and snacks. · Waterproof high-density oxford fabric is easy to clean; S-type breathable straps reduce shoulder strain. · Includes wine opener and reflective strips for safety; stylish design works as lunch box or daypack.