Made of hard, natural quartz sand particles and high-performance UV-stable acrylic resins, Elkay Quartz Luxe kitchen, prep/bar and laundry sinks are exceptionally durable and silky smooth. This makeup creates a hygienic, nonporous surface that resists germs. The composite sink comes in popular, neutral colors such as brown, black, gray and white plus bold colors like red, blue and mint.DUAL MOUNT: Versatile design allows the sink to be installed as a drop-in or undermount.CHARCOAL: This dark gray color turns up the heat with smokin' style.SUPERIOR STRENGTH: Made of natural quartz, the hardest component of granite, these durable sinks are impact resistant to your toughest sink tasks.RICH COLOR, HEAT SAFE, EASY CLEAN: Match sink to your decor; vibrant color won't fade; heat safe to 535F; wash with damp cloth and soapy water.HYGIENE PROTECTION: Rounded, microfine quartz particles allow for an ultrasmooth, nonporous surface that resists dirt, food and stains.QUIET: Material is naturally sound-deadening, minimizing sound and vibration for a quieter time at the sink.OFFSET DRAIN: Drain placement provides more usable space on the bottom of the sink and in the cabinet below.DRAIN OPENING: Sink drain opening measures 3-1/2".DISPOSAL READY: This sink has a drain that works with standard garbage disposals, if space allows.CABINET SIZE: Minimum cabinet size for this sink is 21".