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