Open front with cover, elongated, heavy-duty, injection molded solid plastic toilet seat. Features four large 2" lift bumpers, check hinges with non-corrosive 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.