LCB1813A Sink Accessories1" thick ash laminated construction for added durability and a premium lookRenewable wood source Renewable wood source natural antibacterial properties ability to hide knife scarring better than lighter woods Non toxic hardwood Lessened knife wear on natural wood board, allowing knives to keep their edge better We recommend applying cutting board oils before the initial use and reapplying it from time to time thereafter Made from responsibly harvested