Bemis 295SSCT 047 Self-Sustaining Sta-Tite Elongated Open Front Toilet Seat, Black STA-TITE Commercial Fastening System reduces installation time and eliminates callbacks for loose seats DuraGuard Antimicrobial Built-In Seat Protection Self-sustaining check hinge holds seat in its raised position and prevents the seat from going 11 beyond vertical Non-corrosive 300 Series stainless-steel posts and pintles Fits all manufacturers' elongated bowls