Premium Quite & Slow close with Bumpers, Nonslip Hinges Round front Toilet Seat, White Premium Beveled Quite & Slow close with Bumpers, Nonslip Hinges Round-front Toilet Seat, White Quiet Close functionality eliminates slamming and increases hygiene and safety Made of solid polypropylene and is resistant to staining,and fading. Measurements start from Hinges L 17" Inch W 14" Inch Easy to install / Plastic Nonslip Hinges