Universal resistance band perfect for athletes and fitness enthusiasts, provides multiple unique grip options to enable exercises like open and closed hand grips, holding objects with resistance, no-grip-required exercises | Enables never before possible workouts, such as simultaneous upper and lower body exercises and additional resistance for dumbbell training, all with the functionality and portability of a traditional resistance band | Non-Latex CLX with no scent and no powder meet the needs of athletes, gyms, patients, practitioners, and exercise professionals, and can even be used under water for aquatic workouts and hydrotherapy exercises | Free CLX App provides a CLX exclusive exercise library to enhance rehab or training program, allowing you to achieve a complete workout using the product at home, while traveling, in the gym or on-the-go | Super Heavy Silver CLX are the seventh of eight levels of resistance and an alternative to weight training or supplement to strength training, they offer 10.2 lbs. resistance at 100% elongation and 15.3 lbs. at 200%