SUPERIOR DURABILITY: American made seat won't crack, chip, peel, fade, or flatten like standard seats SCRATCH-RESISTANT FINISH: High-gloss, non-porous surface resists stains and discoloration and are easy to clean COLOR MATCH: Carefully remove the tank lid and look for the manufacture’s stamped or engraved color code on either the inside tank walls or underside of the lid. This is especially helpful in distinguishing between Biscuit and Bone colored seats. STABLE ROUND FIT: Simple residential installation, with adjustability back-to-front, fits 16.5" round bowls including Kohler, American Standard, and TOTO MADE IN USA: American-made construction ensures long-lasting performance