Drawstring closure MATERIAL: Made of polyester fabric, durable and sturdy, not easy to be scratched or torn. IDEAL SIZE: 14.2 x 16.9 Inch (36 x 43cm). So It is suitable for most girls boys and teens. ADJUSTABLE SHOULDER STRAPS: Durable shoulder straps, adjustable and feels no bulky in wearing. LIGHTWEIGHT DURABLE: This bag is lightweight but sturdy, easy to carry and practical, easy to wash and clean, never fade away. MULTIPLE USES: Unisex and fit for multiple activities, such as gym, yoga, swimming, sports, beach, jogging, hiking, camping, picnic, travel, shopping etc. It??s also a great gift for family and friends.