Set of 2, 12" resistance tubing designed for use with the THERABAND Rehab and Wellness Exercise and Wall Stations, comes with connectors to easily attach to wellness station for at-home exercises, strength training, or physical therapy programs Color-coded Progressive Resistance system allows users to recognize improvement as it happens Tubing designed for use with the Exercise Station and Wall Station is available in 4 color-coded levels of resistance (Yellow, Red, Green & Blue) and 3 different lengths (12", 18" & 24") Highest quality natural rubber latex resistance tubing is recognized by professionals in clinics and hospitals as the original system of progressive resistance; the best resistance tubing for stretching, strengthening, and rehabilitation Ideal for strength training and physical therapy programs for ACL and MCL surgery recovery, knee replacement rehab, rotator cuff strengthening