Keep Your Items Cool and Collected on the Go with This Cooler Backpack The Zuma Cooler Backpack is lightweight, ergonomic and features expansive storage for your day on the go. Made of durable polyester, this pack is divided into two sections and is ready for anything. The top mesh section creates a breathable enclosure that is perfect for clothes, towels, and other fabric materials. The bottom section features insulation and a heat-sealed, water-resistant lining, perfect for keeping food and drinks at temperature for hours. The Zuma even features a large zipper pocket for the personal effects you need to keep close at hand. You'll be surprised how often you use the Zuma backpack for your daytrips, hiking excursions, beach outings, sporting events and fishing trips. Expertly crafted from durable polyester for years of lasting use. ThermoGuard insulation keeps food warm or cool for hours and feat.