Fitness Body Band with Band Stretch Resistance of 120-150 LBS (Purple). . [A Completely Custom Workout] You can incorporate the band into a number of different workouts and even use them in place of some weighted exercises. A great band to use for stretching & warm ups or even to assist on pull-ups if you are close to getting over the bar but can not quite make it up on your own. . [Lightweight and Portable] train bands are also effective when used alone in the gym. just carry in bag take it along with you to wherever the destination is. Bands are more effective for gaining muscle without the risk of dropping a heavy dumbbells on your foot or accidentally crushing your fingers whilst stacking/removing weight plates. . [Highest Quality] The material of the Resistance tapes is a special natural latex that is particularly elastic and odorless. This means that the material is subject to a very high level of stress - ideally suited for use in sports and therapy. . [Cleaning] Band is easy to clean. Although it is not really necessary unless sweat drips on them. I sprayed them down with some all-purpose antibacterial cleanser and it was sufficient. The amount of dirt and dust that sticks to them is negligible.