Coordinate indoor and outdoor living spaces with fashion right amherst all weather rugs by safavieh power loomed of long wearing polypropylene beautiful cut pile amherst rugs stand up to tough outdoor conditions with the aesthetics of indoor rugs brand safavieh collection ferrat material polypropylene construction power loomed style indoor outdoor backing power loomed rugs do not use backing material on the underside of the rug a thin coat of latex is applied to the underside of