Scooter Stool Round 15" Step & Lock Wheels to 300lb Red This sturdy little stool gets you where you need to go and provides access to those high closet shelves and upper cabinets. High-density plastic stool rolls easily in place. Spring mounted with retractable casters a protective bumper and stackable design. Non-slip treads and lock-in-place wheels keep you safe. Super lightweight and easy to lift. Number of Steps: 2; Step Stools Type: Rolling Step Stool; Working Height: 15"; Frame Material: High-Density Plastic.