1. Convenient Cleaning: With our hand grip strengthening rings made of food grade silicone, you can exercise comfortably and ily. They are , washable, easy to clean and odorless, making them perfect for environmentally conscious fitness enthusiasts. 2. EXCELLENT GRIP Increase the grip strength of your hand with our hand grip reinforcement rings made of non slip and anti sweat silicone material. The non slip texture and convex surface on the outside provide a comfortable grip and provide exceptional grip and resilience to your fingers, palms and wrists, giving you the improved grip you need. 3. ERGONOMIC SUPPORT Achieve superior hand strength with our hand grip strengthening rings. The circular and ergonomic design fits comfortably in the palm and fingers and provides a perfect grip for even pressure and reduces hand fatigue. 4. Guaranteed durability: these handle reinforcement rings are made of solid silicone and are wear resistant and elastic, durable and not easy to damage. They have a good rebound, no distortion and a comfortable hand feeling.