Centoco 600-416 Elongated Premium Plastic Toilet Seat, BiscuitBiscuit Premium Plastic Toilet Seat closed front with cover, heavy duty, top mount plastic hinge for elongated bowls.Centoco 600-416 Elongated Premium Plastic Toilet Seat, Biscuit Features: Deluxe solid plastic seat for elongated bowl Top-mount hinge for easy installation Extended back with concealed hinge Integrally-molded, permanent and sanitary,color-keyed bumpers won"t fall off Corrosion-free hardware Withstands cleansers, strong chemicals