Using advanced 304 stainless steel material ensure long lasting durability, easy to clean and no rusting. Comes with step-by-step assembly instruction paper and all accessories are carefully packed. Shelf size: 34.65"L x 12.5"W x 20.4"H. (Inside size: 33.6"L x 12.5"W x 20.4"H), fits for all sinks equal or smaller than 33 1/2 inches.