Details: Pack everything you need into this durable NBA string bag? including your team loyalty. Officially licensed by the NBA, this backsack accents your team?s logo with stylish side panels. It measures a generous 18? x 13.5? and is made of water-resistant nylon that is also machine washable. With extra-strength cording and reinforced strap corner construction, this heavy-duty bag is the perfect choice for school, work, or the gym.