Exercise bands allow you to perform resistive exercises. They come in different thickness levels to allow you to change the resistance for a particular exercise and to accommodate users with varying levels of strength. The thickness of the band determines its resistance level. Rolls come in dispenser box and can be cut to desired length. Handles sold separately. Latex. Width: 5½ ". 6-yd. band: 3 lbs. 50-yd. band: 10 lbs.