Cramer Taskit 5011-63 Scooter Pod Rolling Step Stool with Storage Space, Blue One-step stool with high-density plastic construction and spring mounted casters. Lightweight and easy to lift. Rolls easily in place. Wheels retract when stepped on. Non-slip tread and protective bumper. High-density plastic construction Non-slip tread for safety Retractable casters 16"Wx12"Lx11.7"H Holds up to 300 lbs