LARGE CAPACITY: Great for packing swim training equipment, snorkeling gear, beach items, and the pool, the TYR Big Mesh Mummy backpack features an updated design with 20% more capacity for storing all your swimming gear. QUALITY DESIGN: Lightweight and functional, this athletic backpack features a spacious main compartment for storage, small zip compartment, and mesh venting for faster dry time and optimal drainage. ADJUSTABLE: Over-the-shoulder straps allow for comfortable, convenient carry, while the secure barrel-lock closure at the top provides quick and easy access to your gear. EXTRA COMPARTMENTS: Side zipper pocket for additional organization and quick access to essentials like goggles and swim caps. A built-in mesh water bottle pocket keeps hydration at your fingertips. QUALITY MATERIALS: 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.