Molded from Elkay E-Granite which is up to 85% natural quartz and high performance acrylic resins. E-Granite is non-porous and resists staining. E-Granite is hard enough to resist scratches and chips, is naturally sound deadened, and heat resistant. The color is solid throughout the sink and is UV resistant to prevent color-fading. Universal mount sinks can be installed as a top mount or undermount. Both types of clips are provided.