The stick is an innovative device used by runners and other athletes to segment and stretch muscles in segments. Reduce soreness and improve tissue recovery. Increase flexibility and blood circulation. Increase muscle tone and correct muscle imbalance. Suppress and reduce trigger point sensitivity and pain. Use it before exercise to prevent injury and quick recovery after exercise. Regular use can increase your strength, cycle and reduce the risk of injury. Muscle roller sticks are recommended by physical and Massage therapists, staff trainers, and used by thousands of people to enhance their workout and physical exercise experience and recovery. Suitable for caes, hamstrings, back, limbs, neck and shoulders. Colour:blue/orange/Purple/Red/Green/Black Material:PP+PVC+ steel pipe Size: 47*4.6*4.6cm Package Contents: 1*Roller Massage Stick 1*Color box Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.