Twist hinges to remove seat for easy cleaning and replacement, superior high-gloss finish resists chipping and scratching. For residential use only. Easy Clean and Change hinge allows for removal of seat for easy cleaning and replacement. Durable molded wood with a high-gloss finish that resists chipping and scratching. Fits all manufacturers' round bowls in the US and Canada. Made in the USA - Sheboygan Falls, WI.