- Seat sizes and compatibility: 43 x 35 cm and 45 x 38.5 cm; hole spacing 1018 cm; fits most oval and round toilets. - Soft Close: close slowly without slamming, no noise when closing thanks to the slow-closing mechanism. - UF material: made of urea formaldehyde (UF) composite, a durable, environmentally friendly material that is non-toxic, odorless and tasteless, lightweight and sturdy. - Top mounting system: effortless installation with a complete top mounting system for flexible adjustment and secure placement of the toilet seat fixtures. Use scenarios - Replace an old noisy seat in a family bathroom to reduce disturbance and improve safety for children. - Ideal for shared spaces such as offices or dormitories where quiet operation and easy adjustment are beneficial. - renovation projects requiring a sturdy, lightweight seat that fits both oval and round toilets with adjustable mounting.