Quick Purchase Process! Measuring size: length/width/hole distance; Confirm the shape: 19" ELONGATED shaped toilet seat. Toilet Seat Size: Width: 14" or 36cm Length: 17" or 43cm Quiet and slow: If you need a quiet night or don't want to disturb others late at night, you can choose our Toilet Seat! Screw mounting kit is in the corner of the foam packing case!! TIPS: When you receive the toilet seat, please check the package carefully, it contains installation accessories and instructions, if there are missing parts please get in touch with us directly.