Comfort Seats C1B6R9-BFCH Acrylic Toilet Seat with Chrome Hinges, Round, Butterflies Strong and Durable - Injection molded of High-Impact, chemically resistant polypropylene Ergonomically designed for comfort and quality Seat bumpers are rubberized and color coordinated Ultra-Violet Protection Molded into each seat to prevent color fading Simple to install - only requires a wrench or pliers