Product detail information link:
https://www.aliexpress.us/item/3256805750952922.html?gatewayAdapt=glo2usa4itemAdapt
Silicone Adjustable Hand Grip Finger Ring Rehabilitation Training Massage Pressure Relief Grip Circles Forearm Trainer Muscle Workout Exercise Gym Fitness
Food grade silicone/Silicone elliptical grip strengthener
Finger strength exercise/Stress release/Play at leisure
Grip exercise anytime, anywhere
Small in shape and comfortable in the palm of your hand
Enjoy the exercise on your hands
In line with human grip design
Hold comfortable and painless hands
Strictly select silicone green material
Solid silicone material
Wear resistant, elastic, skin friendly and comfortable