Installation is Easy with Basic Top-Tite® Hinges as They Tighten from the Top; A Commercial Grade Heavy Duty Plastic is Perfect for Those High Volume Areas and Resists Wear, Chips and Stains; Achieve the Classic Bathroom Look with Hinges that Match the Toilet Seat Color; Fits Most Manufacturers Elongated Toilets Fits Most Manufacturers Elongated Toilets Including Kohler, American Standard, Toto, Glacier Bay, Aquasource, Delta and Many More; Made with Eco-Friendly Materials and Processes; Made in USA 14-13/16" x 18-9/16", Top-Tite Plastic Hinge, White, Plastic, Open Front, Elongated, Heavy Duty, Toilet Seat with Cover