Comfort Seats C1B1R-16BN Designer Solid Wood Round Toilet Seat with Anti-microbial and PVD Brushed Nickel Hinges, Mahogany Hand-Selected premium grade wood for beauty and durability Factory installed hinges ensure perfect alignment between the cover and seat Simple to install, corrosion proof, self-aligning hardware Stainless Steel hinge screws eliminated rust Anti-Microbial Paint fights the growth of odor causing bacteria