Features：
1. This finger trainer is made of high-quality silica gel, safe and environmentally friendly, with good elasticity, not easy to tear, and can be used for a long time.
2. Light weight, easy to carry. You can put it in your pocket or handbag.
3. You can select the appropriate finger trainer level according to your grip strength.
4. With this finger trainer, you can easily exercise the strength, flexibility and coordination of fingers and palms.
5. It is the best gift for rock climbers, tennis players, guitarists, pianists, drummers and musicians.
Specifications:
Material: silicone
Color:: black