May help increase strength, mobility and balance Latex Free Washable Reusable Three Resistance Levels: Yellow=Light, Blue-Medium, Black=Heavy These patented bands were specifically designed by Dr. Courtney Conley to strengthen the four layers of muscles in your feet. Strong feet can help to promote: * increased balance * decreased pain * decreased risk of falls These bands are multifunctional and can be used in a variety of ways to target the four layers of intrinsic foot muscles. Each order comes with a set of three strengtheners (easy, medium, difficult), and instructional videos to get started.