The new Knee Cage Orthosis Brace by RCAI was designed to control hyperextension of the knee, but still permits the knee to move, even increasing quadricep strength. The lightweight, thermoplastic construction of the brace conforms to the anatomy of the leg. Warranty on the plastic and fasteners is one year. Straps are warranteed for 10 days. A padded pressure strap behind the knee aids in patient comfort. The orthosis comes with straps. The straps listed for purchase are replacement straps. This product is non-returnable if the package has been opened.