This ultra-slim non-slamming elongated toilet seat and the lid are the latest in innovative smart seat technology. The ultra-slim design creates a sleek and modern aesthetic with a seamless connection to the toilet bowl. Constructed of solid, high-impact plastic, this unique seat is specifically designed to reduce injury and eliminate the annoying “Toilet Seat Slam.” The seat and lid utilize a built-in SoftClose® hinge system, which lowers the seat and lid down to the bowl gently and quietly. The engineering of SoftClose® combines Toto’s® high-quality standards and consumer ease. Top tightening mounting bolts ensure easy and secure installation for a more stable fit on the bowl. This seat couples well with Toto T40 Washlet®+ bowls and conceal the Washlet®+ channel. Features a quick-release hinge system for easy cleaning and maintenance. All mounting and installation hardware for the SoftClose® seat is included, along with easy-to-follow installation instructions for care and maintenance guidelines.