BOSTON COOLER. Thermal backpack 12 L - 2Tone nylon thermal bag with waterproof PEVA interior for easy cleaning. Includes 1 main compartment, 1 front zipped pocket and 1 side mesh pocket. It has a double main zipper pocket. The straps and back are padded. The backpack has a capacity of up to 12 L - 2Tone nylon thermal bag with a waterproof PEVA interior for easy cleaning. Includes 1 main compartment, 1 front zipped pocket and 1 side mesh pocket. It has a double main zipper pocket. The straps and back are padded. The backpack has a capacity of up to 12 L. 290 x 380 x 160 mm