Comfort Seats C1B3R7S-00 EZ Close Standard Plastic Toilet Seat, Round, White Strong and durable - injection molded of high-Impact, chemically resistant polypropylene Both the toilet seat and the cover have separate EZ Close feature, gently tap the seat and it slowly closes Simple to install - only requires a screwdriver Adjustable hinges for prefect fit Corrosion proof, self-aligning hardware