Engineered to ensure a proper fit on one- and two-piece toilets, this Brevia seat complements a wide variety of elongated toilet designs. Sturdy plastic construction resists staining, chipping, and fading, while the ergonomically contoured seat enhances comfort. This seat features innovative technology that simplifies installation.Features:Elongated closed-front seat.Grip-Tight bumpers hold seat firmly in place.Quick-Release hinges allow seat to be unlatched from toilet for easy removal; no tools required.Color-matched plastic hinges.Contoured seat for user comfort.For residential use only.For non-residential application, use K-20112, K-20110, or K-7671.Toilet seats are not returnable to Kohler Co. if opened or outside of original packaging.1 Year LimitedSpecifications:Quick-Attach hardware for fast and secure installation.Plastic.Assembly Required