Great for packing swim training equipment, snorkeling gear, and the pool, the Big Mesh Mummy backpack features an updated design with 20% more capacity for storing all your swimming gear. This athletic backpack features a spacious main compartment for storage, small zip compartment, and mesh venting for faster dry time and optimal drainage. Over-the-shoulder straps allow for comfortable, while the secure barrel-lock closure at the top provides quick and easy access to your gear. Side zipper pocket for additional organization and quick access to essentials like goggles and swim caps. Measuring 25.25 x 19 inches, the mesh backpack has a 40-liter capacity, is made from 100% durable polyester, and is available in a variety of fun colors to complement your personal style.