The PTX Backpack Cooler is so versatile and handy, you will wonder how you have managed to live your active lifestyle without it! With a fully-insulated interior liner that’s also water-resistant, you can use it as a food and beverage tote or as an all-around activity tote. With a variety of expandable pockets and front-mounted stretch cord, the PTX Backpack Cooler can accommodate and store items beyond its visual confines. It’s compact, comfortable and accommodating…the perfect all-around backpack cooler for people on the go! Dimensions: 11 x 7 x 12.5 inches.