Hardwood toilet seat: Made of solid hardwood this seat is designed for maximum strength & durability & easily outlasts all other wooden seats. Fits over standard size toilet bowls & comes in a variety of finishes. Cross-frame design prevents splitting at stress points unlike most ordinary toilet seats. Made of sturdy polymer, the bumpers prevent rocking & keep the seat safely in place. PVD physical vapor deposition protects brass from tarnishing for years to come. Seat measures: 17 5/8 in. x 14 1/2 in. Lid measures: 16 3/4 in. x 13 1/8 in. Elongated shape. NOTE: This item replaces item# 18522.