Specially formulated wood composition ensures strength and durability multi-coat surface finish provides a beautiful, long-lasting and durable finish factory-installed heavy-duty hinges ensure perfect alignment between the cover and seat simple to install, corrosion-proof, self-aligning hardware color-matched bumpers provide a decorative finish clean with warm soapy water - OSG™ inhibits the growth of odor and stain-causing bacteria to extend the life of the seat. Four bumpers on ring for added stability. UV paint additive maintains original color.