Waterloo Cast Concrete Wall-Mount Sink - Speckled Dark Gray SandstoneThis cast concrete sink will energize your living space with a sophisticated and practical design, not to mention impeccable materials. A shelf houses the basin so it can be affixed to a wall. Overall Dimensions with Sink Attached to Wall Mount Shelf: 24" L x 15 3 8" W (Front to Back) x 8 7 8" H ( 1 2") Sink Only Dimensions: 24" L x 15 3 8" W (Front to Back) x 4 7 8" H ( 1 2") Drop In Installation for Sink Wall Hung Shelf Only Dimensions: 23 7 8" L x