... hand,Grip product Item No.:IR97001 Name:Grip ,to improve the power of your hand material:pp ctn:49*48.8*39cm/50pcs ... :12/11kgGrip ,it is a gym equipment and can improve the power of your hands .it is good fot your health.now ... ,i will give a good best price.thank you ! Grip,to improve the power of your hand