Grip Ball Finger Exercise Massage Elastic Venting Ball Silicone Material Comfortable Touch For Working Finger Relaxation Massage

High-concerned chemical : None Training Site : Waist Department Name : Unisex Model Number : 1 Function : Body Type : grip ball Origin : Mainland China Type of sports : Strength Training 1 : Hand Exercise Balls 2 : Silicone Exercise Balls 3 : Hand Stress Ball 4 : Finger Exercise Balls 5 : Grip Balls 6 : Finger Flexibility Training Balls