Sta-Tite Commercial Fastening System Never Loosens; Reduces Installation Time, Eliminating Callbacks for Loose Seats; Duraguard is an Antimicrobial Property Built in to the Toilet Seat to Inhibit the Growth of Bacteria; Super Grip Bumpers Prevent Seat Shifting and Provide Greater Stability; Elevated Seat Provides 2 Inch of Additional Height Above the Toilet for Easier Sitting and Standing; Commercial Grade, Heavy Duty Plastic with Molded-In Color Resists Wear, Chips and Stains; Check Hinges Prevent the Seat from Going 11 Degree Beyond Vertical; 300 Series Stainless Steel Posts and Pintles Resist Corrosion; Fits Most Manufacturers' Elongated Toilets; Made in USA 14-3/16" x 18-9/16", White, Plastic, 2" Lift Plastic Hinge, Open Front, Elongated, Heavy Duty, Toilet Seat with Cover