Cutting Board Door Rack Kit Fits 18= Door Lightweight, high density polyethylene. Able to be cleaned thoroughly, eliminating bacterial and odor. Approved by the FDA, NSF. Dishwasher safe to 180°. Manufactured with high capacity juice grooves. Non-abrasive, reduces the dulling of cutting blades. Solid maple caddy with mounting sockets and screws. This item ships free in the United States. Please allow 5-7 days for order processing and an additional 5-7 days for delivery.