This Roper Rhodes Linear has many luxury features such as top fix hinges for quick and easy installation and quick release hinges for easy cleaning. Made from durable thermoset plastic which is hard wearing and impact resistant. It's soft close hinges allow a smooth and quiet closing. The Linear Square shaped toilet seat is suitable for many other branded square toilets including RAK, Vitra and Pura. A highly durable thermoset plastic, single button quick release for ease of cleaning, soft close hinges, top under fixings, hard wearing, impact resistant and 5 year guarantee The full list of models are below.. RAK Series 600 Vitra S20 Pura Urban Tavistock Structure R2 Mini Manufactured from durable thermoset plastic the seat also has anti-bacterial and UV protection properties.