5' exercise band stretches up to three times it's length for variable resistance. Sliding foam pads for easy, comfortable grip. 1 year warranty. The Gray Cook Exercise Band is an all purpose resistance band than can be used for chops, lifts, presses, PNF patterns and more. Nylon loop at each end of the Gray Cook Resistance Band allows attachment to a door or use with a therapist. Available in 5 color-coded resistances.