The CanDo PEP Pack is a complete progressive resistance exercise program that is made up of low-powder latex exercise bands or tubes depending on personal preference. Each PEP pack comes with three diffrerent 4-foot bands and an illustrated instruction/exercise chart. The bands are poly-bagged for additional protection. Choose between 3 different latex-free exercise band PEP packs that can be used for a progressive resistance exercise program. Easy, Moderate, Difficult.