Made of Durable Duraplstic Material, which is strain, fade, and scratch resistant. More sustainable & have longer life spans than the more common plastic options. It also adds warmth for greater comfort. Anti-Slip Toilet Seats feature stainless steel mounting hardware that firmly holds the seat. Also integrated are four non-slip dampers inside the toilet lid that Keep the seat from shifting or slipping even after prolonged usage. Feature Stainless Steel Hinges that offer high durable strength with corrosion-resistant qualities. Rust and stain free. Easy to install and remove for cleaning purposes. Just attach the nuts & bolts to the toilet bowl, then clip the toilet seat. Unclip again when you want to remove it.