5pcs Silicone Hand Grip Ball Exercise Pressure Relief Massage Grip Strengthe.

Feature: \n 1. Made of durable high\u2011elastic materials, and it is flexible, suitable for all ages.\n2. The grip ball is small, you can put it in your pocket and carry it with you, and take it out to kill time when you ride in the car.\n3. Can exercise palm muscles and finger flexibility, suitable for primary strength training and rehabilitation training.\n4. Suitable for rock climbers and bodybuilders to train finger and grip strength.\n5. In order to extend the service life of the silicone grip ball, it is recommended to wash it gently with water. \n\nSpecification: \n\nCondition:100% Brand New \nItem Type: Hand Grip Ball\nMaterial: Silicone\nSize: Approx. 5 x 4.5cm / 2 x 1.8in\nFeatures:\n1. Rehabilitation training\n2. Exercise knuckles and palm muscles\n3. Press the fingers and activate the joints\n4. Exercise finger and arm strength.\nInstructions:\nThe grip ball is not big, just hold it in the palm of your hand, hold the grip ball, pinch it hard, you can feel :