Lightweight and Durable: Our See Through swimming backpack is made of heavy-duty polyester mesh that withstand intense wear and tear from the sea, sand. Lightweight will reduce the weight of the package and make it easier to carry. College Semi-Transparent Mesh Backpack: 16.9” x 5.5” x 12”, heavy duty mesh backpack with large size double zipper main compartments, which is enough to hold daily items. Comfortable Double Padded Straps : This see through mesh backpack is designed with breathable Ergonomic S-Curve shoulder straps, which will be more comfortable when you carry heavier loads. Suitable for Various Occasions: You can take it to the beach (sand falls out, suits air dry), or go hiking, camping, use for travel (to work), store sports equipment for indoor or outdoor sports. Easy to Organize Your Items: A zipper front pocket for storing your personal frequently used items like phone, pens, purse, keys, etc; 2 side stretchable mesh pocket for water bottle or umbrella.