WODISON Basic Waterproof Sports Gym Sackpack Bag Lightweight Drawstring Backpack Size info: 19.68''L x 16.14''W, fits a basketball Soft carton shoulder strap to relieve the stress on the shoulders Durable waterproof material withstands daily wear and tear Large front pocket for small item storage, Lightweight sackpack perfect for gym, school, hiking, shopping etc. NOTE: the strap of Black Two is longer than Black One, Black Two fits men better.