The TOTO SoftClose Non Slamming, Slow Close Elongated Toilet Seat and Lid is the latest in innovative smart seat technology. The ultra slim design creates a sleek and modern aesthetic with seamless connection to the toilet bowl. Constructed of solid, high-impact plastic, this unique seat is specifically designed to reduce injury and to eliminate 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.