sticky lemon large envelope backpack olympic poolsticky lemon large envelope backpack in olympic pool from the better together collection. made from recycled PET bottles. features front envelope pocket, waterproof lining, YKK zippers and adjustable shoulder straps. on the inside you'll find an elastic bottle holder and a pocket all over the back that closes with velcro. 27 x 13 x 38 cm shoulder handle = 67 cm (maximum length) recycled PET bottles