Builtin SoftClose Hinge System Gentle and quiet closing design prevents loud slamming of the lid and seat, creating a more comfortable bathroom experience. Helps protect fingers from pinching and reduces accidental bumps, making it safer for all users. Minimizes wear and tear on both the toilet seat and bowl, extending product life. Fits Elongated Toilet Bowls Specifically designed for elongated toilets and compatible with TOTO models SS154, SS113, SS114, SS224, SS204, SS214, SS124, as well as most other standard elongated seats. Dimensions: length 18.5 inches; mounting hole distance 5.5 inches. Confirm your toilet is ovalshaped before to ensure proper fit. Material for Durability Made from impact glossy polypropylene for longlasting performance. Resistant to stains, oxidation, fading, and dirt buildup, keeping the seat looking clean and fresh over time. Features 4 thickened seat pads to provide stability and a secure fit, preventing any movement during use. Two Installation Options with Included Hardware Comes with all the installation accessories. Install from the bottom using white plastic screws or from the using black expansion metal bolts. Includes two rubber pads to help keep hinges secure and prevent slipping. Practical Use Scenarios Ideal for households seeking a quiet, safe, and durable toilet seat solution. Suitable for rental properties where compatibility with multiple elongated models is important. for bathrooms used by children or elderly individuals where safety and comfort are priorities.