Heavy Green CLX are the fourth of eight levels of resistance and great for rehabilitation and light to moderate resistance exercise, they offer 4.6 pounds resistance and 25 percent increase from preceding color at 100 percent elongation, and 6.7 pounds at 200 percent. Provides multiple unique grip options, enables exercises like open and closed hand grips, holding objects with resistance, no-grip-required exercises. Color: Green - Heavy. « less