SIZE CONSTRUCTION: 14.9" x 12.5"/38cm x 32cm (H x W), large capacity, drawstring closure, with a pocket inside.Material: Made of high quality ECO polyester fabric, strong and durable, light weight, small size, easy to store and reusable.Product Features: Waterproof honeycomb mesh design, super durable high-density Oxford cloth, help keep the sack dry and no longer afraid of rainy days. This drawstring backpack is foldable and portable, folds up when you don't need it, and it won't take up space. The length of the shoulder straps can be adjusted by knotting to suit people of different heights and body types.PRODUCT ADVANTAGES: Large backpack with enough free space, ideal for carrying your phone, wallet, umbrella, clothes, books, shoes, ball games or other daily necessities and sporting goods.Scope of application: Our gym bag is suitable for both men and women. It is a great holiday gift, also suitable for swimming, walking, camping, day trips, sports practice, overnight, travel, vacation, yoga, running, jogging, shopping, fitness exercise or school gym class and other outdoor activities for kids etc. .