SUPERIOR-QUALITY DESIGN FOR MAXIMUM PERFORMANCE - SAFE AND - Made of top-quality Silicone, not easy to tear. It is WASHABLE and can be use frequently and comfortably FITNESS & SPORT ENTHUSIASTS - strengthen your wrists,improve the dexterity of your fingers and increase the strength your hands can apply while reducing fatigue. Its value is from 30 to 50 lb. Help balance your grip muscles and your expanding muscles. RELIEVE THE PRESSION - espeical the egg pcs , the hard one help to recovery finger strength ,an the soft one very comfortable and it s work well to relieve pression REHABILITATION & PREVENTION - Great for rheumatoid arthritis, arthritis, carpal tunnel, tendonitis, tennis elbow and are to recover from a fractured or broken wrist, or when you type, text or any other activities which use your gripping muscles It is a very good product for people who like rock climbing and need some hand strength. It strengthens the grip strength and finger strength so as to do some difficult moves. Material: Silicone Color as shown Package Contents: 3 x Egg grip balls 3 x Silicone grip ring 3 x Five-finger silicone puller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.