Material: The backpack is made of heavy-duty nylon mesh material; the drawstring provides a secure and tight closure; the mesh backpack provides an important feature in that it allows air to flow through the bag, eliminating dampness and odors; the mesh backpack is also beneficial because, after a beach trip, you will not have to worry about the bag trapping sand Size: The mesh bag is about 19 x 15 inches, it can hold lots of items; and with the drawstring shoulder straps design, which can relax your hands and add comfort; an extra inside zipper pocket for holding small valuables such as a wallet, or cell phone to prevent any pickpockets Large Capacity: Large design, it can store many items like snorkels, goggles, sunglasses, sandals, bottles, accessories, neoprene shoes, boots, gloves, apparel, shorts, etc Easy Storage: This drawstring bag is light in material and can be folded; when not in use, it can be folded and stored in the box or cabinet; when you are outside and don't use it, you can put it in your handbag, or even tuck it into clothes pocket Multipurpose: The mesh drawstring backpack is great for beach travel, biking, sports, gym training, yoga, running, swimming, diving, dance, hiking, camping gear, team work, backpacking, clothes, laundry and more Note: This item is not intended for use by 12 and under The sports ball bag is made of heavy-duty nylon-mesh material, designed with drawstring shoulder straps for relaxing hands and an inside zipper pocket for holding small valuables, 19 x 15 inches, easy to fold and carry. It has a large capacity, and can store many items, and the mesh design allows air to flow through the bag for easy drying, eliminating dampness and odors. The bag is great for beach travel, biking, sports, gym training, yoga, running, swimming, diving, dance, hiking, camping gear, team work, backpacking, clothes, laundry and more.**THIS ITEM IS NOT INTENDED FOR USE BY 12 AND UNDER.**