Universal D Shape Toilet Seat with adjustable hinge Adjustable hinge for a precise fit: The Dshaped toilet seat can be positioned to suit your toilet for a comfortable and secure fit. Compatible dimensions: Length 445 mm, width 360 mm, height 45 mm; distance between mounting holes 125169 mm. Durable material: Made from quality polypropylene (PP). Nonfading, corrosion resistant, and oxidation resistant, it stays stable in humid environments and helps extend the seat's service life. materials: quality PP with a colorful surface and bending strength. Resistant to acid and alkaline corrosion, odourless, low density, good insulation, and moisture resistant. Quiet close operation: Builtin automatic lowering mechanism allows the seat and lid to close quietly, preventing slamming and reducing nighttime noise. Use scenarios Family bathroom with frequent use: The softclose feature reduces noise and prevents accidental banging during late hours, while the adjustable hinge ensures a good fit on different toilets. Humid or damp environments: The material's corrosion and oxidation resistance helps maintain appearance and strength over time in bathrooms with humidity. Toilet upgrades or replacements: Suitable for toilets with mounting holes spaced 125169 mm, offering a universal fit for a variety of standard toilets while providing a colorful, durable surface.