Cantrio Koncepts 23" x 18" Rectangle White Vitreous China Drop-In Bathroom Lavatory Sink With Knock Out Holes and Overflow DrainMade from Vitreous China, a high gloss stain resistant surface, Cantrio Koncept's Drop in Sink features a polished look for your bathroom. What's Included Drop in Sink Knockout holes Overflow drain Not Included Faucet Features For Drop In Sink Use Recommended Drain: DS 001 Pre drilled Holes For Faucets For Use With Standard Pop Up Drain Specifications Item Number (SKU) PS 2318 Dimensions 23'' W x 18'' D x 8. 75'' H Warranty Limited Lifetime Note All