Thera-Bands Latex Exercise Tubing is made of natural rubber latex in varying thickness to create the different resistance levels. The color-coded Thera-Band system has seven resistance levels from Tan through Silver. The color-coding system provides positive reinforcement and feedback for gauging results. The retail packaging contains one 5-foot piece of each color indicated.
You may also want to view Thera-Band's 25-foot Latex Rolls.