American Standard 5020B.65G Features: Covered under manufacturer's limited lifetime warranty Round-front toilet seat - designed to complement a wide variety of round-front toilet designs Constructed from ABS plastic for reliability The soft-close lid forces a gentle descent, ensuring the lid will never slam shut Secure mounting assembly while keeping installation fast and easy All hardware required for seat installation is included American Standard 5020B.65G Specifications: Height: 2-5/16" (rim of toilet fixture to the highest point on the seat Width: 14-1/8" (left most point to the right most point on the seat) Inside Length: 10-3/16" (back to the front of the inner opening of the seat) Inside Width: 8-3/8 (left to right of the inner opening of the seat) Distance Required Between Installation Holes: 5-1/2"