Centoco 900-106 Molded Wood Technology, Toilet Seat, Elongated, Bone Centocore molded, thick, polypropylene shell over wood core won't crack, chip, dent, flatten, flake, fade or peel like other wood seats. Super sanitary, non-porous, scratch resistant h finish that withstands cleansers and strong chemicals without staining or discoloring. 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 elongated toilet bowls. Made in the usa