Cutting boards from Martins Homewares are handmade in the USA from locally grown, sustainably sourced hardwood. The Keyboard Cutting Board is constructed from maple, with keyboard accent ends, and finished with FDA-approved food grade mineral oil. Choose from multiple sizes based on your needs. The small board measures 10 x 14 x 0.75 inches. The medium board measures 12 x 16 x 0.75 inches. The large board measures 14.5 x 18 x 0.75 inches. Hand wash and dry thoroughly after use.