Yoofit Resistance Loop Bands Set of 4 - 12"x2" Inches Physical Therapy Band for Arms and Legs, CrossFit Workouts, Stretching or Conditioning, Extra Heavy to Light IDEAL FOR FITNESS & RECOVERY - Perfect for working all your major muscles. Regularly used for pre-and post-workout stretching to increase circulation and release toxins from muscles throughout the entire body. Designed for athletes but perfect for everyone. PREMIUM QUALITY  These non-toxic and eco-friendly latex (TPE) resistance bands are made with heavy duty materials meant to withstand the toughest of workouts.