XIANQI Ergonomic - Duo-ball can be used universally. Due to the depression in the middle, the is particularly suitable for neck and back exercises along the spine, in which the muscle tissue can be optimally massaged. Environmental protection material: The fascia roll ball is made of food grade EPP material, non-toxic and tasteless, has special texture technology, which is more comfortable to touch. Release tension: With the massage balls from Lianke you massage reflex zones, connective tissue, trigger points and muscles before and after sport. The different sizes adapt perfectly to different body regions. Use: Deep self-massage and fascia training to strengthen muscles, relax muscles and connective tissue, eliminate fasciae tension and binding forces, relieve pain, improve blood circulation and active metabolism. Massage several parts: Using the fascia ball, you can stretch the fascia, beautify the lines and burn fat on the back, calves, hands, shoulders and legs after yoga, pilates or fitness training. Colour: Black Size: 16.5*8.5cm Delivery Quantity: 1 Piece