Encourages proper lifting technique. A perfect compliment to dollies and hand trucks. Can support weight up to 700 pounds per pair (tested at 2720 pounds). Made of super-strength webbing, bonded thread at each joint, and padding in each insert. Adjusts up to 48 inches. Safety orange color. Straps are 9-feet, 4 inches long. 2 straps per package. As seen on TV.