THERABAND Resistance Bands Set, Professional Elastic Band For Upper & Lower Body Exercise, Strength Training without Weights, Physical Therapy, & Pilates, Blue & Black & Silver, AdvancedChallenging exercise band set for advanced athletes and fitness experts to use in strength training, conditioning, upper and lower body workouts, pilates, and yoga Follows THERABAND color progression to allow you to track your progress and move to the next difficulty level, also comes in a beginner package of yellow, red, and green bands for beginner level rehabilitation and physical therapy Non Latex Resistance Band increases both strength and