The Toilet Seat Is The Kohler K-20110-96 Brevia Elongated Toilet Seat With Engineered to ensure a proper fit on one- and two-piece toilets, this Brevia seat complements a wide variety of elongated toilet designs. This soft-close toilet seat features innovative technology that prevents noisy slamming. Unique Grip-Tight bumpers hold the seat firmly in place and prevent shifting. No Slam Elongated Toilet Seat: Quiet close lid closes slowly and silently without slamming Shift Prevention: Grip-tight bumpers prevent the seat from shifting during use and add stability Easy Clean: Quick release hinges allow for easy removal and convienent cleaning Effortless Install: Quick-attach hardware for fast and secure installation, with color matched plastic hinges included Elongated Toilet Seat: Fits most elongated toilets Clean Coat - For a lustrous, spotless look and carefree maintenance