Elkay Gourmet E-Granite 25"(L) x 18-1/2"(W) Single Basin Undermount Kitchen Sink 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. The color is solid throughout the sink and is UV resistant to prevent color-fading in indoor applications. Universal mount sinks can be installed as a Top mount or undermount. Both types of clips are provided. Product Features: Undermount Single basin sink e-Granit Naturally sound deadened Heat resistant Product Specifications: Installation Type: Undermount Material: E-Granite Number of Basins: 1 Minimum Cabinet Size: 30" Sink Dimensions: 25" L x 18-1/2" W Bowl Depth: 9-1/2" Bowl Dimensions: 22-3/8" L x 16-3/8" W x 9-1/2" D Faucet Holes: 0 Drain Size: 3-1/2" Ship Wt: 41 lbs Product Certifications and Compliances: ANSI/NSF61 - Certified ASME 112.18.1/CSA B125-01 IAPMO Listed