CanDo® resistive exercise band roll is packaged in a dispenser box. Simply unroll desired length of exercise band from dispenser box and cut with scissors. CanDo® high quality latex resistive exercise band has been used in clinics for rehabilitation conditioning and training since 1987. It has become a well known staple of many physical therapy programs. CanDo® exercise band is an economic solution for upper and lower body exercise. Lightweight compact and portable. Durable. Effective when used alone or with handles and anchors. Color-coded according to the exercise band?s resistance. CanDo® is licensed to use the Thera-Band® color sequence so resistance level is easily identified. Available in 8 levels of resistance for progressive exercise. Levels range in order of strength from least to greatest resistance: tan yellow red green blue black silver gold. Uniform width - each band is 5 wide. 50-yard rolls have a core that fits most dispenser racks. CanDo® low powder exercise band is made of natural rubber latex which may cause allergic reactions. For those with latex sensitivities there are latex-free alternative offerings of CanDo® exercise band. 50 yard roll - Blue - heavy