The Ankle Tough Rehab System offers a system of progressive resistive exercise straps for the ankle rehabilitation following a sprain, and to strengthen and condition ankles to prevent injury. The set includes 4 progressive resistance straps plus an exercise instruction guide for strengthening the muscles and tendons surrounding the ankle. The Ankle Tough Rehab System is an easy-to-follow, effective ankle exercise, rehab, therapy and strengthening program. Using the progressive resistance bands can help prevent the recurrence of ankle injuries by strengthening and conditioning the surrounding ankle muscles and tendons. Users who previously suffered an ankle injury can use these ankle exercise straps to help prevent re-injury. The progressive resistance straps and exercises make the muscles surrounding the ankle joint stronger, providing protection to the ligaments associated with the ankle. This resistive exercise system includes color-coded resistive tension straps in four strengths: light, medium, strong, and tough. The ankle exercise tension straps form two loops to fit over shoes or bare foot. The included exercise instruction guide is easy to follow for progressive strengthening and conditioning. The Ankle Tough Rehab System easy to use resistive exercise system for ankle rehabilitation strengthens ankles injured by sprains, fractures, tendon ruptures, and tendinitis. This Ankle Tough Rehab System Specifications: Includes: 4-pack system (one each of four straps), exercise instruction guide. Constructed of: Heavy-duty elastic, not made with natural rubber latex. Four color-coded resistance levels: Light White, Medium Yellow, Strong Red, Tough Blue. Made in: USA.