Storage Trolley Cart - 3 Tier Rolling Utility Organizer RackSturdy & Stable: The rolling storage trolley cart frame is made of high quality carbon steel and the trays is ABS plastic which has the feature of anti-corrosion, waterproof and scratch-resistant, anti-rust for long-term reliability. Firmly nested to stand stable and supports overall 132 lbs (60 kg).Effortless Mobility: 4 strong 360-degree wheels (2 lockable) help the