Chop Chop (R) Original mats are patented and made in the USA using FDA approved virgin food grade plastic and inks. For added value and consumer confidence, our mats feature Microban (R) anti-microbial product protection which inhibits the growth of stain and odor causing bacteria. This popular mat is a necessity in every household due to their convenience and functionality. Dishwasher safe. BPA free. Gold, Silver, Metallic, and 40 stock colors available for imprinting.