NOISE REDUCTION: Durable granite material is naturally soundproof STAIN RESISTANT: Food and liquids will not stain the surface. HEAT SAFE: Safe up to 535°F FLEXIBLE INSTALLATION: Pre-slotted with 5 holes for added flexibility during installation DOUBLE MOUNT: Can be installed as an undermount or overlay sink; Built-in hardware included BUILT TO LAST: Backed by Moen's limited lifetime warranty