Product description Size: Peanut Type: Length 15cm, Spike Ball: 7cm Color: light blue, purple, green Material: PVC Package content: 1peanut ball. 1thorn ball massage ball 1.THE ONLY TOOL YOU WILL NEVER NEED FOR PLANTAR FASCIITIS The massage ball is your indispensable caster tool that allows you to roll away the deep muscle knots in the ball of your foot and roll away the pain so they can get harder - your feet will feel me light as a feather 2.THESE STINGS DO NOT BEND The hedgehog balls set are made of hard-wearing, solid rubber to withstand any body weight. The high-density spike ball extends deeper into the fascia to release tension and is your ultimate ball and foot roller for body massagers. 3.HARDER HARDER BY MEETING ALL TRIGGER POINTS IN THE BODY The prickly outer layer gives you a stimulating massage and increases blood flow to the entire body. Perfect massage roller and back roller for before and after training to rejuvenate and revitalize all areas of the body so you can train harder for longer. 4.TAKE YOU WITH YOU IN THE FITNESS ROOM This small massage ball set with pimples is perfect for warming up and cooling down in the gym, yoga and pilates studios. And to make it easier for you to get started, we'll email you a downloadable ebook with advanced massage techniques to quickly optimize your next workout and rapid blaster muscle recovery. 5.FAVORITE AND FITNESS TRAINER FAVORITEThe massage balls in the are the perfect portable training equipment for the recovery of men and women. Don't forget to pack it with your sports, running, and soccer gear.