SPECS: Material: Durable 250D tarpaulin PVC material Capacity: 30L Fits up to 24 cans or 18 bottles, plus plenty of room for ice (up to 25lbs) DESIGN AND TECHNOLOGY: Ice can stay cold & frozen between 12-72 hours (will vary depending on amount of ice, eternal temperature, etc.) 250D tarpaulin PVC exterior is easy to clean, ensuring it will keep last and keep its appearance longer Can double as a dry bag or even store your wet gear, clothes, and towels 2 large mesh drink bottle pockets mean hydration is close at hand while this is on your back 2 adjustable straps to carry over a shoulder or to use as a backpack Available in 3 colors