Give your dog a secure and comfortable path to high places with our quality multi use booster step. Booster step is very durable and works great when attached to the mini, large or x-large booster bath. Booster step also works fantastic with your car door threshold, suv bumper, couch and bed. Booster step weighs only 4-1/2-poundhowever with its multiple rib system can easily support 150-pound. The no-slip rubberized step mats insure your dog maintains secure feting. In addition there are four large rubber bumpers located on each corner that insure booster step stays in place when your dog enters, or exits. Lightweight and portable (4-1/2-pound), yet will support up to 150-pound.