Lid design conceals 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 seat firmly in place;ReadyLatch hinge provides a positive lock/unlock latch to securely hold seat in position, yet seat easily removes for cleaning or adjusting fit;Single-hinge cover simplifies cleaning;Quiet-Close elongated lid and seat prevents slamming;Contoured seat for user comfort;Color-matched plastic hinges;Toilet seats are not returnable to Kohler Co. if opened or outside of original packaging