【Perfect Fit for ROUND Toilets】Designed exclusively for ROUND 16.5'' toilets, this seat ensures a perfect fit for all major American brands, including Crane, Universal Rundle, Eljer, Delta, Bemis, Caroma, and Gerber. Pro Tip: Measure your toilet before purchasing to avoid any mismatch. 【Super Quiet & Durable】Tired of loud, slamming toilet seats? Our enhanced metal silent slow-down hinge ensures a gentle, noise-free close every time. Lab-tested to last over 30,000 uses (more than 10 years!), it’s not only durable but also safe for children. Say goodbye to noisy disruptions and hello to peace and quiet. 【Easy Disassembly for Effortless Cleaning】Cleaning around nuts and bolts is a thing of the past! Our toilet seat features a quick-release design—simply shake it left and right, lift, and it’s off in 3 seconds. Reinstalling is just as easy: align the hinge, press down, and you’re done in 1 second. Keep your bathroom spotless with minimal effort. 【Quick & Hassle-Free Installation】No plumbing skills needed! With our clear instructions and easy installation kit, you can set up your new toilet seat in less than 3 minutes. Note: Rotate the hinge 180° during installation for a perfect fit. Still unsure? Check our detailed installation video for step-by-step guidance. 【Reliable Support & Satisfaction Guaranteed】We’ve got your back! If you encounter any issues during installation or use, our detailed manual and installation video are here to help. For additional support, contact our dedicated after-sales team via email. Your satisfaction is our priority—shop with confidence and enjoy a hassle-free experience.