Grip,to improve the power of your hand,Grip product Item No.:IR97001 Name:Grip ,to improve the power of your hand material:pp ctn ... gym equipment and can improve the power of your hands .it is good fot your health.now as coming warm ... season ,maybe it is a necessaris for your exercise.if you are interested in this product , ... give a good best price.thank you ! Grip,to improve the power of your hand