HINGES: Plastic Top-TITE hinges installs seat easily from above the bowl HARDWARE: Non-Corroding Hex-Tite Bolts and Wing Nuts RING BUMPERS: two color matched bumpers RESISTS CHIPPING AND SCRATCHING: Durable enameled wood seat provides a superior high-gloss finish USE: Recommended for residential use, Durable enameled wood finish FITS ALL ROUND TOILETS: Including Kohler, American Standard, TOTO and many more PROUDLY MADE IN THE USA: With Earth friendly materials and processes. Basic Top-Tite hinge tightens from the top