Features of Vitra SENTO Ultra slim soft close seat (120-003R009) : Ultra-thin seat Series: SENTO Soft close Material: Duroplast made from Urea-Formaldehyde Colour: white Stainless steel hinges Top fastening . Attention! When the parcel is delivered, please mention “subject to unpacking” on the delivery note and accept the parcel. No claims can be accepted afterwards, as the carriers are very strict in this respect. We thank you for your understanding.