Features: 1. Silicone material, small and exquisite, easy to carry, enhance the strength of the palm. 2. Promote the stimulation of the palm of your hand, keep your blood and blood circulation. 3. Exercise your fingers, promote your brain's flexibility, and exercise healthier. 4. Correct the imbalance of individual fingers and strengthen the finger muscles. 5. Easy to train anywhere, save space again. 6. Suitable for the elderly, rehabilitation groups, women and so on. Specification: 100% brand new and super high quality. Item Name:Hand Grip Strengthener Material:silicone Color:As the picture show Size:12.5cm/4.92in*12.3cm/4.84in Package includes: 1pcs x Hand Grip Strengthener Note: 1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures. 2.Please forgive 1 cm/0.39"-3 cm/1.18" measuring deviation due to manual measurement.