WoW! Eco-friendly backpack/cool bag made from 600D RPET polyester (made from recycled PET bottles). The spacious cooling compartment has a leak-proof, 4mm thick PEVA lining. This bag also has a zip pocket on the front and a mesh pocket on the side, handy for taking a drinking bottle with you. Supplied with a foam back, padded adjustable shoulder straps and a carrying loop. Capacity approx. 23 litres.