Perfect for commercial applications, this Lustra elongated toilet seat features a chip-resistant polypropylene finish in White that will not stain or peel. This model has an open-front and includes a check hinge that lets the seat stand up at 11 degrees beyond the vertical position. Elongated, open-front toilet seat Sturdy, chip-resistant polypropylene with a finish that won't stain or peel Includes an antimicrobial agent that protects the toilet seat from odor- and stain-causing bacteria, mold and mildew. Antimicrobial agent does not protect the user from disease-causing bacteria. Check hinge. Toilet seats are not returnable to Kohler Co. if opened or outside of original packaging.