USA Grown Hardwood: Only made from USA grown solid oak hardwood. Food-safe Oil: The wood surface is finished with natural food grade oil. The countertops can be used as a cutting surface. No Sanding Needed: Every edge and surface is smooth. Various Sizes: 36 inch wide, 36, 48, 60, 72 inch long. Perfect for DIY: The wood slab is not pre-drilled and easy to clean, built for your own custom kitchen.