The material of this bag is mesh, nylon and polyester fiber.The Large mesh beach bag, made of high quality nylon and polyester fiber materials with a diamond mesh design, sandwich diamond shape grid cloth.It is lightweight ,In-house hundreds of tear and load test to prove material quality and workmanship, Machine washable dries quickly.Unique design mesh beach bag with a zipper at the bottom to fold the beach bag into a small book size in your carry on for travel or vacations. Mesh is easy to clean, dry and let your wet items breath, you'll easy to shake out any sand when the bag is empty, and the added reinforced bottom to protect the sand from get in the bottom.