The CanDo® latex-free exercise tubing PEP™ pack can be used for a progressive resistance exercise program. Each PEP™ pack comes with three different 6-foot tubing and an illustrated instruction/exercise chart. Easy Level comes with yellow, red and green exercisers. Each exerciser is packaged in a polybag. Simply remove exercise band from polybag and it is readyto use. CanDo® high quality latex resistive exercise tubing has been used in clinics for rehabilitation, conditioning and training since 1987. It has become a staple of many physical therapy programs. CanDo® exercise tubing 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.