EXTRA LIFT: Large 3-inch lift hinges and bumpers raise the Seat higher for easier use STA-TITE: Commercial Fastening System NO CALLBACKS FOR LOOSE SEATS: The STA-TITE Commercial Fastening System installs with a snap and will never come loose or wiggle COMMERCIAL PLASTIC: Ideal for any commercial application and resists chips, wears and stains FITS ALL ELONGATED TOILETS: Including Kohler, American Standard, TOTO and many more PROUDLY MADE IN THE USA: With Earth friendly materials and processes.