- Versatile Compatibility: This D-Shaped Toilet Seat is designed for standard DU-shaped toilets and includes an extra set of expansion bolts for broader compatibility. With dimensions of 18 inches long and 14.2 inches wide (455L x 361W mm) and an adjustable length of 16.2 to 18.5 inches (412-472 mm), it fits bolt hole distances of 105-225 mm. Ensure you verify your toilet seat specifications before purchasing. - Quick Release & Easy Installation: Installation is straightforward, making it accessible for anyone, regardless of size. The top installation eliminates the need to reach under the toilet, while the one-touch quick release feature simplifies cleaning and maintenance. - Silent Operation: Say goodbye to noisy slamming sounds. The integrated automatic lowering mechanism provides a quiet and seamless experience, ensuring no disturbances during late-night visits. - Soft-Closing Design: Enjoy a smooth and comfortable sitting experience. The ultra-soft closing mechanism prevents loud noises, ensuring you won't disrupt family members during nighttime use. - Durable Material: Constructed from heavy-duty PP, this toilet seat is built to last. It resists staining, fading, chipping, and scratching, ensuring long-term performance. - Practical Use Cases: 1. Ideal for families with children or light sleepers, providing a quiet and safe toilet experience. 2. Perfect for those who prioritize easy cleaning, thanks to the quick release feature. 3. Suitable for homes needing a versatile toilet seat that fits various toilet styles without hassle. - Size Note: Please confirm the shape and size of your toilet before purchasing. The images provide details on the inner opening, front and rear cover heights, and adjustability for different bolt hole locations.