Flexbar Exercise Bar Yellow Burn Products 16 LONG * SIZE: S 85180 16 LONG * SIZE: S * 6 ABOVE KNEE 23 5 (when sizing measure around the middle of the waist) * Provides pain relief and compression for muscle injuries and general lower back dysfunctions Thera Band© FlexBar© is a flexible durable resistance device with a ridged surface for enhanced grip during use * It is used to improve grip strength and upper extremity stabilization by bending twisting or oscillation movement * It has been research proven effective for Tennis Elbow offering a cost effective treatment that requires no injection or expensive equipment * Thera Band FlexBar is 12 long and is made from dry natural rubber in 4 progressive resistance levels to match user capability of force to bend to a u shape *