Design House 557637 31" Marble Drop-In Vanity Top with Integrated Sink and 3 Faucet Holes Design House 557637 Features: Constructed of marble, providing a sturdy feel and a clean appearance Covered under Design House's 5 year limited warranty Top features a rectangular integrated single basin sink Rear drain location increases area in the sink as well as storage underneath Equipped with overflow drain - works in tandem with primary drain to prevent spillage Faucet and waste assembly not included with this model Vanity top is equipped with backsplash to help contain any messes or spills Design House 557637 Specifications: Vanity Top Thickness: 1-1/8" Overall Depth: 22" (back to front of vanity top) Overall Width: 31" (left outer rim to right outer rim) Overall Height: 8-3/4" (bottom of sink to top of counter) Backsplash Height: 2-3/4" Sink Basin Width: 13-1/2" (back inner rim to front inner rim) Sink Basin Length: 18" (left inner rim to right inner rim) Number of Faucet Holes: 3 Faucet Centers: 4" (distance between handle installation holes) Drain Outlet Connection: 1-3/4" Single Solid White.