Made out of plastic and aluminum for light weight and durability * 3-tier bus cart is perfect for restaurants, buffets, or any eatery where clean up is necessary and needs to be done quickly and efficiently * 3 tiers, each tier can be used for a separate duty (eg Top for unclean plates/bowls, middle for towels, and bottom for table top sanitizer sprays) * Perfectly racks both silverware bin and refuse bin for faster cleaning * Comes complete with 3 separate layers of shelving so there is no need to buy large plastic bins to use as 3-tier bus cart