HERES A UTILITY CART MADE FROM HEAVY-DUTY STRUCTURAL POLYPROPYLENE FOAM THATS EXTREMELY VERSATILE EACH SHELF HAS A 4 LIP TO KEEP ITEMS FROM ROLLING OR FALLING OFF ROUNDED EDGES RESISTS RUST AND CORROSION MOLDED-IN TOOL STORAGE COMPARTMENTS AND CUP HOLDER ON HANDLE 500-LB CAPACITY ASSEMBLY REQUIRED