Ideal for self-massage, myofascial release/trigger point therapy, physical therapy, acupressure, pregnancy massage, reflexology. Also great for recovery after yoga, pilates and gym. These dense rubber massage balls are designed to the highest quality standards, so they are long-lasting. Will not crack, tear or lose shape with repeated use. It penetrates deep into muscles to get rid of knots, increase blood flow, activate nerves and energize your entire body. Eliminates stress and tension and improves your physical and emotional health! Perfect for any size and shape. You can put your entire body weight on the Spiky Healthy Model Life Massage Ball. We are sure that you will take these massage balls with you wherever you go.