MASSAGE RAISED DOT DESIGNThere are two groups of 6 raised points of different sizes on the grip ring. When you use the grip ring to exercise, the raised points can better massage your palms and fingers. Ventilation in the middle of the grip ring will not produce a sense of stuffiness. 5 LEVELS MEETING MULTIPLE NEEDSThe set contains 5 different grip rings, 20lb, 30lb, 40lb, 50lb, 60lb. Different grip rings, different weights and different colors, you can choose a higher grade grip ring as your strength increases. GREAT FOR YOU The grip ring enhances the strength of the fingers, hands, wrists and forearms. After surgery, rock climbing, playing the guitar for a long time and other activities, the grip ring can improve the agility of the fingers and hands and increase the strength. It is very suitable for athletes, musicians and physiotherapy patients, children, women, men, and professional athletes. PORTABLE,DURABLE \u0026 FLEXIBLEThe product is made of silicone, which can be cleaned with water, durable and safe, and because of its small size and weight, it can be carried with you for exercise at any time. BUY WITH CONFIDENCE We insist on providing high-quality products. If you find a defect or have any questions about the product, please immediately to obtain efficient customer service.