Silestone by Cosentino is a natural quartz surface that is proven to be a cleaner and safer surfacing material offering built-in antimicrobial protection that safely fights the growth of odor-causing bacteria, mold and mildew. Silestone also has the assurance of GREENGUARD certification for clean air quality and National Sanitation Foundation certification (NSF 51) for safe food preparation. The product is scratch, stain and scorch resistant, and does not require sealers. Silestone is available in more than 65 color options.