1. Material: Silicone
2. Weight: 13g
3. Classification: green / small intensity; blue / medium intensity; orange / large intensity
4. Easy to carry
5. Enhance palm strength finger strength and stimulate the stimulation of various points on the palm of the hand
6. Made of environmentally friendly silicone soft without cracking long service life not irritating the skin

Instructions:
1. Put your finger into the finger hole
2. Fingers expand outward
3. Fingers shrink and expand to promote blood circulation and exercise strength