The CanDo® PEP™ pack can be used for a progressive resistance exercise program. Each Pep™ pack comes with three different bands or tubing and an illustrated instruction/exercise chart. Each exerciser is packaged in a polybag. Simply remove exercise band from polybag and it is ready to use. CanDo® high quality latex resistive exercisers have been used in clinics for rehabilitation, conditioning and training since 1987. CanDo® exercise band is an economic solution for upper and lower body exercise. It is lightweight, portable and durable. Effective when used alone, or with handles and anchors. CanDo® is licensed to use the Thera-Band® color sequence so resistance level is easily identified. 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. CanDo® low powder band and tubing exercisers are made of natural rubber latex, which may cause allergic reactions. For those with latex sensitivities, there are latex-free alternative offerings of CanDo® band and tubing exercisers.