Constructed of long-lasting oak plywood. Features include solid oak handrails with anti-slip tread material on each step and platform for safety. Provides three 4″ risers on one side, and two 6″ risers on the other. When in use, the six-inch bus step creates a 12″ riser on one side. Top platform measures 24″ x 30″ without the bus step. Measures: 30″ W x 54″ L. Weight capacity 450 lbs.