Sink is covered under Blanco's limited lifetime warranty Premier finishing process - will resist staining, chipping and scratching through every day use Double basin sink with a 60/40 split provides increased versatility for any task Blanco sinks feature extremely hygienic, non-porous surfaces Constructed of Blanco's SILGRANIT�material - making it durable and fade resistant Installs in a drop-in or undermount configuration - providing a sturdy mount and integrated look Required clips for undermount installation type are not included - when adding sink to cart these will be presented as an option for purchase Rear drain location increases workspace are in the sink as well as storage space underneath All hardware needed for installation includedThis Blanco Sink comes with 1 faucet hole ready for use, and 4 prepared "knock-outs" to create additional holes for use