Massage Therapy Balls: This is a 2.4 x 3 inch Suction cup massage ball, it is versatile and durable, massage ball should help you to relieve muscle soreness, relax back stiffness, shoulder soreness, and promote your body recover after workouts. Massage ball will make you have a unique comfort and enjoyable sensation when properly applied. Available for Whole Body: Massage ball is a good tool for anyone who wants to massage hard-to-reach areas of the body, such as back, calves, feet, glutes, neck, pectorals, and shoulders. This ball will help reduce muscle tightness, enhancing and enabling flexibility which will in turn, promote muscle performance. Ergonomics Design: The massage ball is conforming to ergonomic design, it will help to increase blood circulation, to help soothe aches, pains, and tightness, which will help you feel relaxed and reduce the amount of stress that you are feeling in your body. Material and Muscle Pain Relief: Made of silicone, it is softer. Great for deep tissue massages, this high-density massage ball is both super firm and textured to effectively iron out knots, relieve tightness, and even potentially improve blood flow. Easy to Use & Portable: You can hold it on tender areas or roll it around using your hand or by lying on it, with the correct technique, you should feel a release and the tension disappear. The massage ball is light enough to bring everywhere so you can stow this ball in a gym bag. Professional massage balls made of high-grade silica gel are healthy.