Tough shell material, like white water rafts, allow for a durable leak proof construction. Store up to 30lbs of ice or 18 sodas and 10lbs of ice, then keep it cool for days. Convenient bottle opener for the campsite. Wide mouth roll top opening, with waterproof zipper, allows for easy loading and convenient grabs. Comfortable shoulder strap to assist with transport. Box stitched and reinforced side handles for lifting. High strength, 1000 denier polyester core with TPU coating to increase durability and provide resistance to puncture and abrasion.