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

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