Hand weight Made of high quality of neoprene material, bonding with Durable elastic nylon fabric. Inside filled with iron pellet. Stong velcro strap and d buckle can keep the weight in Proper placement, even when playing drastic sports. It provides extra weight on your wrist when doing Exercise, can strengthen your hand power and improve Exercising quality. Finest neoprene material provides custom fit. Ploythene bag inside, out side carton