-Material: High quality granite quartz -Oilproof, waterproof, mould-proof, moisture-proof -Perfect moulding throughout, not like other white sinks Easily scratched with light & dark spots -Diameter: external: 461.02mm, internal: 393.19mm -15 Years Warranty -Note: Final cut dimensions are based on the actual product. Package Content: 1 x White kitchen sink (Silver strainer waste included) Warning: The Warranty will be void if it is not used as recommended , damaged to misuse , abuse or improper installation. Substance abuse such as Bleach , Steel wool pads or similar, drain cleaning products or similar causing damage to the sinks will make the warranty void. We will not take any responsibility for general use scratching , chipping , breaking , discoloration.