Each PEP pack comes with three different 6-foot tubing exercisers 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 tubing from polybag and it is ready to use. Cando® high quality latex resistive exercise tubing 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 tubing 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. Cando® low powder exercise tubing 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 tubing.