Designed to fit most elongated toilets, this Cachet seat combines subtle styling and innovative technology. Unique Grip-Tight bumpers hold the seat firmly in place and prevent shifting. Quiet-Close™technology prevents the seat from slamming. Kohler® Toilet Seat, Cachet®, Elongated Bowl, Slow Close Hinge, Closed Front, 5-1/2 in Mounting Hole, 14-3/16 in Width, 1-5/16 in Height, 18-1/16 in Length, 1-1/8 in Thickness, Plastic, White