Open front with cover, round, heavy-duty, injection molded solid plastic toilet seat. Features two large 2” lift bumpers, check hinges with noncorrosive 300 Series stainless steel posts and pintles and STA-TITE^® Commercial Fastening System™ Seat contains DuraGuard^® Antimicrobial Built-In Seat Protection™. This seat complies with American National Standard Z124.5 Toilet (Water Closet) Seats as a class Commercial Heavy Duty.