The Classroom Basics Two-Shelf Heavy Duty Utility Cart is a sturdy cart made of high-density polyethylene (HDPE), known for its incredible strength-to-density ratio, that enables this cart to hold and transfer loads up to 250 lbs. per shelf, evenly distributed. HDPE is a highly flexible, resilient material with heat resistance up to temperatures of 180 degrees, making this an unyielding utility cart that's built to last. Both lightweight and sturdy, this rolling utility cart is ideal for restaurants, garages, offices or anywhere requiring durability and strength.