Grip-Tight installation hardware makes it easy to fasten the KOHLER toilet seat – everything is done from above the bowl ReadyLatch hinge provides a positive lock/unlock latch to securely hold seat in position, yet it easily removes for cleaning or adjusting fit. Grip-Tight bumpers hold the KOHLER elongated toilet seat firmly in place Contoured seat for user comfort. The elongated toilet seat slow close has color-matched plastic hinges Fits most elongated toilets KOHLER slow close toilet seats are not returnable if opened or outside of original packaging