Single Resistance tubes are very high quality. Made of Eco-friendly natural latex for maximum strength. Each band comes with soft Grip Handles. Compact and travel-friendly size makes portability a breeze to and from the gym. Add Variety to work-out like Multi-function, easy on the joints, and target muscle groups with controllable, constant tension. Resistance tubes are extremely versatile, great for rehabilitation, toning and strengthening muscles, Pilate’s exercises, outdoor workouts, and travel. Great for beginners as well as more advanced exercisers, a full range of motion for increased strength.