Bemis 1900SS000 1900SS 000 Plastic Elongated Toilet Seat with Self Sustaining Hinge, White Bemis Elongated Closed Front With Cover White Plastic Toilet Seat Material: Plastic The product is manufactured in United States External Self-Sustaining Check Hinge - holds seat in any raised position 11 beyond vertical. 300 Series Stainless Steel Hardware - non-corrosive durability. Heavy weight plastic - ideal for any commercial application. Easy to clean - use a soft damp cloth with a mild detergent avoiding abrasive cleaners and brushes. Simple installation