Round Closed Front Plastic Toilet Seat with Cover, Thunder Grey Fits all manufacturers' round bowls Resilient plastic with molded-in color resists wear, chips and Stains Whisper-Close hinge slowly and quietly closes with a tap eliminating slamming and pinched fingers Easy-clean & change hinge allows for removal of seat for easy cleaning and replacement Sta-tite seat fastening system never loosens and installs with ease Compatible with all manufacturer's round bowls Resilient plastic with molded-in color resists wear, chips and stains Color-matched bumpers and hinges STA-TITE Seat Fastening System helps prevent loosening Whisper-Close hinge slowly and quietly closes with a tap to help prevent slamming and pinched fingers