Sinks are made from organic materials using high-tech casting methods and feature solid wall construction for added strength that makes each sink compatible with standard size flanges and strainers.Designed to resist stains, chips, scratches or cracks, these fireclay sinks are made to hold up to the wear-and-tear of a busy kitchen. It does not rust, fade, or change color, providing beauty and durability.As an added bonus they are heat resistant (up to 2000°F). Durable ceramic construction with high temperature heat-treated vitreous glazed surface to resist stains and scratches. Ceramic is hardened with a lasting, high gloss glaze that prevents scratches and stains. Fashion Design This beautifully designed farmhouse sink instantly elevates any kitchen.