No Slam Toilet Seat: Brevia Quiet Close Toilet Seat features a quiet-close lid that closes slowly and silently without slammingShift Prevention: Grip-tight bumpers prevent the toilet seat from shifting during use and add stability; it features a closed-front seat for added comfort and an eye-pleasing design to complement your bathroom decorProper Fit Toilet Seat: Engineered to ensure a proper fit on one- and two-piece toilets with color-matched plastic hingesEffortless Install: Quick-attach hardware for fast and secure installation, with color matched plastic hinges includedElongated Toilet Seat: Fits most elongated toilets; for non-residential application recommend using K-7671 or K-20110 Kohler toilet seats