Sandusky 5-Shelf Mobile Bin Shelving Unit, MBU3317BIN15 Features 15 heavy-duty black plastic bins in 3 different sizes for maximum storage and organization 5 wire chrome shelves have guide rails to keep bins in place Heavy-duty swivel casters, including 2 with locking brakes Measures 33"W x 16-1/2"D x 38"H Durable chrome finish / Easy to assemble