Help users rehabilitate injuries improve functional living enhance athletic performance and makes measuring progress and achieving goals for fitness or therapy easy. The resistance bands are easy-to-use convenient portable and are an effective alternative to free weights and weight machines. They can be used in the clinic at home or on-the-go. They are available in 8 color-coded levels of progressive resistance giving at-a-glance documentation of progress from one level to the next and allows the user to progress as they get stronger. Features: High-quality easy-to-use product designed for resistance training strengthening and/or rehabilitation. The band can be easily integrated into a variety of Fitness routines. Improves strength range of motion and flexibility in a simple to use portable product for use in the clinic the gym at home or on-the-go! Color-coded progressive resistance chart gives at-a-glance documentation of progress from one level to the next. Each level/color/resistance is sold separately in a 50-yard box. Made with the highest quality natural rubber latex. Quantity: 1 Size: 50 Yards Long x 5 Wide. Material: Natural rubber latex. Manufacturer: Theraband Options: Tan - X-Light (20110) UPC: 087453201109 Yellow - Light (20120) UPC: 087453201208 Red - Medium (20130) UPC: 087453201307 Green - Heavy (20140) UPC: 087453201406 Blue - X-Heavy (20150) UPC: 087453201505 Black - Special Heavy (20160) UPC: 087453201604 Silver - Super Heavy (20170) UPC: 087453201703 Gold - Max (20180) UPC: 087453201802