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. Elkay ELX1616 Features: DUAL MOUNT: Versatile design allows the sink to be installed as a drop-in or undermount. 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 décor; vibrant color won't fade; heat safe to 535°F; wash with damp cloth and soapy water. HYGIENE PROTECTION: Rounded, microfine quartz particles allow for an ultrasmooth, nonporous surface that resists bacteria, 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". CABINET SIZE: Minimum cabinet size for this sink is 21". Specifications: Sink Length: 15-3/4" Sink Width: 15-3/4" Sink Height: 7-11/16" Basin Dimensions: 13-1/8" L x 13-1/8" W x 7-11/16" D Minimum Cabinet Size: 21"