PREVENT INJUIES : The grips can be attached to gym equipment and allow for free range of motion.Most gym machines become adaptable to your natural pain-free movements.Prevent Shoulder and Low Back Injuries. MUSCLE FIBER ACTIVATION : By changing your grip positions,you're biomechanically doing a new exercise which will activate new muscle fibers. IMPROVE STABILIZATION : The fitness grips are free to move while you exercise, your stabilizer muscles are constantly working to keep your exercise motions steady and smooth. INCREASE RANGE OF MOTION : In lat pull-downs and rows, you extend the length of the pull.With pull-ups, your lats experience a more intense stretch and you have more room to bring your elbows back for a more intense contraction. colour: yellow Material: plastic size: 17x30cm Package Contents: 1 pair x pull up grip 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.