Features: Material: Grip strengtheners are made of sturdy silicone material with good elasticity, soft and stretchable, not easy to tear or break, can be used for a long time, and are easy to clean. Anti Slip: The surfaces of the hands strengthener adopts a non-slip grain design, effectively increasing the friction between the palm and the holder. Suitable for people of all ages, they are light and easy to carry, making them usable anywhere. 3 Strenght Levels: 3 different strength can adjusted, suitable for each training stage. Small and portable, you can exercise hand muscles at any time. Ergonomic Design For All Hands: The grip strength trainers is ergonomically designed and fits well for all hand sizes, which perfect for men, women, seniors and teens. EASY TO CLEAN: You can rinse the surfaces with water simply, no need to use detergents After washing the hands grip rings, the color is still bright and vibrant, no color loss or damage to materials. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Size: 8x7.8x2cm Material: Silicone Package List: 1x Silicone Hand Grip Strengthener