About this projectSPIKY MASSAGE BALL is a great way to introduce you to the world of massage ball therapy. Designed to promote blood circulation, relieve pressure points and improve flexibility and mobility, massage balls are widely used to relieve pain in the feet, back, neck and shoulders, as well as relieve tension and stress.An excellent tool for yoga, the ball is great for using your own body weight to help roll away deep muscle knots and tight muscle areas. The spiked outer layer provides stimulation and increases circulation throughout the body. A great way to unwind after a stressful day at work. Also great for Pilates, reflexology, acupressure, physiotherapy, stretching, general relaxation and recovery.The material is sturdy and durable. The sturdy, pointed massage ball is made of high-quality PVC and is strong enough to hold any body weight. They provide the perfect tension release and are ideal for areas that are inaccessible with foam rollers.Easy to use. Using a wall or floor, simply lean against the ball and use your own body weight to roll the ball to the desired muscle tightness or pain point.Product size: about 9cm