1??No Slamming?Seat closes slowly and quietly with a tap to eliminate pinched fingers,bumpers hold seat firmly in place?Contoured seat for user comfort? 2??No More Wiggle?installation hardware makes it easy to fasten the seat ?Easy to install just a wrench? 3??Installs With A Snap?hinge provides a positive lock/unlock latch to securely hold seat in position, yet seat easily removes for cleaning or adjusting fit or replacement? 4??Perfect Fit?Toilet Seat has front to back adjustability for the perfect seat to toilet bowl fit 5??Fits Most Elongated Toilets?Compatible with Kohler, American Standard, TOTO Elongated Bowl Toilet Seat and many more. Please measure your toilet bowl before selecting size