The Tundra cooler backpack features a large PEVA lined, zippered main compartment, making it ideal for taking with you on a hike or picnic. The cooler is made from GRS certified recycled PET plastic, making it a more sustainable choice. Featuring a side mesh pocket for a water bottle, and the front zippered pocket is suitable for smaller items. The padded shoulder straps can be adjusted for a perfect and comfortable fit.