Elongated Resin Toilet Seat — 14.2 x 16.5 in with Stainless-Steel Soft-Close Hinges Key benefits Quiet, damage-free closing: soft-close hinge prevents the seat and lid from slamming, reducing noise and protecting the fixture. Durable, corrosion-resistant hardware: stainless-steel hinges are waterproof, rust-free and corrosion-resistant for longer service life. Long-lasting appearance: resin seat features a lifelike 3D image that resists fading and yellowing, keeping the look fresh over time. Clear fit guidance: designed for elongated toilets; internal and mounting dimensions let you confirm fit before purchase. Why you need this seat Eliminates noisy slams and protects the toilet and bathroom surfaces. Withstands humid bathroom environments thanks to stainless-steel, corrosion-resistant hinges. Maintains an attractive finish without discoloration, ideal for frequent-use bathrooms or homes with children. Compatibility and dimensions Overall (elongated) size: 14.2 x 16.5 inches. Inner opening: length 27 cm, width 21 cm. Mounting (bolt hole) spacing: adjustable/compatible with 13–20 cm (130–200 mm) center-to-center. Materials and performance Seat material: high-quality resin with a realistic 3D print that does not fade or yellow. Hinges: robust stainless-steel construction, waterproof and corrosion-resistant for extended durability. Soft-close mechanism: slow-closing technology integrated in the hinge to prevent abrupt closure and reduce wear. Practical use scenarios Family bathroom: gentle soft-close reduces noise and prevents accidental slams when children use the toilet. Guest or master bathroom: durable stainless-steel hinges and non-yellowing resin keep the seat looking new and functioning well over time. High-humidity environments (bathroom with frequent showers): waterproof, corrosion-resistant hinges resist rust and prolong service life. Product details (quick reference) Elongated size: 14.2 x 16.5 in Inner opening: 27 cm (length) x 21 cm (width) Bolt hole spacing: 13–20 cm Seat material: resin with 3D image (non-fading, non-yellowing) Hinges: stainless steel, waterproof, rustproof, corrosion-resistant, soft-close mechanism Check the inner opening dimensions and bolt spacing (13–20 cm) to ensure compatibility with your toilet before ordering.