Spiky Ball Massage Trigger Point Simulating Stress Relief Exercises by SiamsShop Features: It's a simple massage tool which can help stimulate the blood circulation, and massage muscles and relieve tension Great for massaging your palms, feet, ankle, shank, arms, neck and back, etc Can be put on the palms and soles of the feet or body parts, pressuring and extruding to stimulate the skin Description: Item Type: Massage Ball Material: PVC Color: Blue Size: 9cm Weight: About 99g Suitable Age: Child, adult and the old man Suitable Parts: Hand, foot, neck, shoulder, arm, back and waist Package Included: 1 X Massage Ball