100% polyester fiberMachine washLarge Storage Space- We designed this large mesh beach bag - 24 x 8.7 x 18 inches (about 61 x 22 x 45 cm) - can store all towels, sun protection, snacks and scuba diving equipment, swimming gear , beach toys, water bottle, sun protection, goggles, and even room to spare! Everything you need for a day at the beach/pool.WITH MORE EXTRA POCKETS- Our black mesh beach bag has 4 exterior pockets and 1 interior zippered pocket. 4 deep exterior pockets for water bottles and more... 1 interior zipped pocket for valuables like phone, wallet and keys.Lightweight and Foldable- Open Air Mesh Floor Track Design- Super light, easy to fold, easy to store in the car or anywhere. Breathable design facilitates drying and avoids mold on towels or wet clothes.SUPER DURABLE- Made of durable 600D polyester and mesh, the mesh bag is functional and durable.