Lid design extends over the KOHLER round toilet seat to create a clean, sleek look; Grip-Tight installation hardware makes it easy to fasten the seat – everything is done from above the bowl Grip-Tight bumpers hold the KOHLER toilet seat firmly in place; ReadyLatch hinge provides a positive lock/unlock latch to securely hold it in position, yet it easily removes for cleaning or adjusting fit Single hinge cover simplifies cleaning, while the Quiet-Close round-front replacement toilet seat and lid prevent slamming Contoured, round toilet seats for user comfort with color-matched plastic hinges Toilet seats are not returnable to KOHLER if opened or outside of original packaging; fits most round-front toilets