Multi-Setting Warming Seat - 3 Temperature Settings for Comfort; Built-In Blue LED Night Light - Illuminates the Bathroom with a Soft, Soothing Glow; Sta-Tite® Seat Fastening System™ Never Loosens™, Installs with Ease; Whisper Close® Hinge Slowly and Quietly Closes, Eliminating Slamming and Pinched Fingers; Precision Seat Fit™ Provides Adjustability for the Perfect Bowl Fit; Super Grip Bumpers™ Prevent Seat Shifting and Provide Greater Stability 14-1/8" x 17-5/16", White Plastic, Whisper Close/Adjustable Hinge, Closed Front, Elongated, Toilet Seat with Cover