Engineered to ensure a proper fit on one- and two-piece toilets, this Brevia seat complements a wide variety of round toilet designs. Sturdy plastic construction resists staining, chipping, and fading, while the ergonomically contoured seat enhances comfort. This seat features innovative technology that simplifies both cleaning and installation. Quick-Release hinges allow seat to be unlatched from toilet for easy removal and convenient cleaning with no tools required. Quick-Attach hardware for fast and secure installation. Color-matched plastic hinges. Grip-Tight bumpers hold seat firmly in place. Contoured seat for user comfort.