Fits most elongated toilets for toilet seat replacement; each seat helps divert over 4 pounds of plastic from the waste stream Color, quality, and function of this KOHLER toilet seat are equivalent to a standard seat, the same level of quality expected from Kohler The seat and lid are made from 100% pre-consumer recycled plastic for a more sustainable solution (Excludes hinges and hardware) The plastic elongated toilet seat features Grip-Tight bumpers that hold the seat firmly in place; Grip-Tight installation hardware makes it easy to fasten the seat – everything is done from above the bowl Quiet-Close elongated lid and seat prevents slamming with slow close toilet seat