Hand Exercise Massage Bump Gear Type Silicone Grip Ring, Style: 50LB (Black), 30LB (Light Gray), 30LB (Light Green), 40LB (Deep Gray), 40LB (Grass Green), 50LB (Dark Green), 50LB (Black)

1. Exercise muscles, decompress and relax, comfortable and soft
2. One-piece thermoforming, skin-friendly and comfortable
3. Texture design, non-slip grip
4. Ring design, uniform force, fit palm shape
5. Freely twist without deformation
6. Material: silicone
7. Size: 7 x 2 x 1.5cm
8. Weight: 30lbs: 40.6g, 4lbs: 41.8g, 5lbs: 42.7g