made of professional quality natural rubber latex Great for strength training. Length: 39cm Random Color Brand New and High Quality. Heavy resistance. Allows you to tone and sculpt every muscle group. Both for men and women. It will not recoil and twinge your chest hair as it may sometimes happen with the metal springs. Rubber bands are easily added or removed by snapping on or snapping off action. Package Content:1pcs Resistance Tube for Yoga Note: Random color, don't accept the specified color. 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.