How to install:1. Open the plastic cover. 2. Install the 2 plastic washers. 3. Press the plastic gasket tightly. 4. Secure the toilet seat with screws. 5. Adjust the toilet seat to fit the ceramic. 6. Tighten the screws and secure the seat. 7. Close the plastic coverSize: 19" extended version 17" regular versionColor: White Biscuit Color Almond ColorMaterial: Plastic[PERFECTLY FITS MOST ELONGATED TOILETS]-This elongated toilet seat is designed to fit most standard elongated toilets, with a length of 18.3-18.8 inches and a width of 14.2 inches. In order to buy the right toilet seat, please measure carefully before purchasing.[QUIET, GENTLE CLOSE]-Experience a peaceful environment with this toilet seat's slow, quiet closing feature. Say goodbye to loud bangs and potential pinching accidents, don't disturb your family, and extend service life[STRONG AND DURABLE]This elongated toilet seat is made of premium thick polypropylene plastic that resists stains, chips, scratches and cracks. Its ergonomic design provides comfort during prolonged use. Sturdy and durable, it can bear a weight of more than 300 kilograms.[STABLE, SHIFT-FREE DESIGN]-The integrated buffer on the back of the toilet seat ensures a stable and secure fit, preventing any unnecessary shifting or sliding during use, providing you with a comfortable toileting experience[EASY INSTALLATION AND EASY MAINTENANCE]Includes all necessary screws and provides two rubber pads to protect the hinges. Integrated hinge bracket ensures secure installation and never comes loose. Assembly and cleaning are a breeze, just wipe gently with a damp rag19 Inch,17 InchPP