Kohler K-20455 Features:

• 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 

Kohler K-20455 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"