Bath D&eacute;cor 4F1E3SSC-00 Commercial Heavy Duty Self-Sustaining Elongated Open Front Less Cover Toilet Seat with 304 Stainless Steel Hinge Heavy duty commercial design elongated open front Less cover Injected molded durable polypropylene Plastic with UV protection Ergonomically comfort Curve seat design Hinges are under seat to minimize pinching 304 stainless non-corrosive hardware