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