Waterproof material: the gym bag is made of soft, waterproof nylon. Scratch-proof, waterproof and easy to clean. In the rain, clothes, books or others can keep dry. After swimming, you could also put the wet swimsuit in it.Large capacity: size - 50 x 40 x 18cm large capacity to carry a variety of items such as sportswear, shoes, sports towels, swimming equipment, MacBook Pro, iPad, books, an umbrella, bottle and other daily accessories. A gym bag with plenty of room for everyday needsAdjustable shoulder strap and drawstring design: the carrying straps are pleasantly soft and adjustable in length, allows shoulder pain, free hands; drawstring design makes the backpack easy to close and open. Easy to carry and very suitable for daily travel.With zip inner pocket: gym bag with zip inner pocket for storing valuable items inside. You could put the keys, card or phone in it, the inner pocket provides maximum access to your phone or other important things. So you don't have to search for your key forever.Wide application: the backpack is suitable for many occasions, such as sports activities, training, running, yoga, swimming, camping and other indoor and outdoor activities. perfect for sports as a comfortable gym bag, gym bag or sports bag.Colour:blackMaterial:nylonPackage Contents:1 * Sports BagOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.