Centoco 700-106 Centocore Molded Wood Technology, Round Toilet Seat, Bone CENTOCORE molded, thick, polypropylene shell over wood core wont crack, chip, dent, flatten, flake, fade or peel like other wood seats. Super sanitary, non-porous, scratch resistant high-gloss finish that withstands cleansers and strong chemicals without staining or discolouring. Ergonomic contour fit. Impact absorbing heavy duty hinges. Corrosion-free hardware. Integrally-molded, permanent and sanitary color-keyed bumpers that won't loosen, collect dirt or fall off. Easy to install. Fits all regular round toilet bowls. Made in the USA