Kohler K-20455-96 Features:Sourced through authorized distribution channels. Round-front toilet seat with lid Designed to complement a wide variety of round-front toilet designs Covered under Kohler's 1 year limited warranty Constructed from wood for reliability Coordinates with products from the Ridgewood line seamlessly The soft-close lid forces a gentle descent, ensuring the lid will never slam shut Inside Length: 10" (back to the front of the inner opening of the seat) Inside Width: 8-3/8" (left edge to the right edge of the inner opening of the seat) Distance Required Between Installation Holes: 5-1/2 Kohler K-20455-96 Specifications: Height: 1-1/16" (rim of toilet fixture to the highest point on the seat) Depth: 16-5/8" (back of the hinges to the front most part of the seat) Width: 14-3/16" (left most point to the right most point on the seat) Inside Length: 10" (back to the front of the inner opening of the seat) Inside Width: 8-3/8" (left edge to the right edge of the inner opening of the seat) Distance Required Between Installation Holes: 5-1/2 Warranty: All warranty claims must be made through Omega Faucet.