Finger Squeeze Ball Finger Ball Exerciser Grip Ball Strength Squeeze Stress Balls for Hand Portable Physical Training Strength Exerciser Hand Grip Tool

Features: Four-finger: Four-finger design, better fixed finger, prevent slipping Multifunctional: Can be grip training, finger training, hand back massage and so on Massage point design: Grip strength exercise can deeply stimulate massage the hand acupoints, but also can relax the muscles of the whole body, local massage Easy cean: Wash the whole body, avoid sticky, not oily, the dirty is easy to clean Convex: Whole body convex massage, high play antennae, moderate hardness, durable deep massage acupoints without wear and tear Specification Material:TPR Color: Blue Size(L x W): About 12 x 10cm/4.7 x 3.9inch Hole diameter: About 2.5cm/0.98inch Resistance: About 10lb Grip strength: About 5kg Package included: 1pc x finger ball