Package: This product contains 1 pair of toilet seat fixings with 1 pair of 18mm washers and 1 pair of 28mm washers. Stainless Steel Toilet Seat Fixing Kit: Our toilet seat replacement parts are made of premium 304 stainless steel and PP plastic, which is moisture-proof and corrosion-resistant, sturdy and durable. Smart Design: The bottom of this toilet fixing is no more than 1.3cm wide before unfolding. After tightening the screws, the lower part automatically unfolds the 3cm wide stainless steel slider to securely fix the toilet seat. Easy to install: Insert the toilet seat attachment into the toilet lid fitting and use a Phillips screwdriver to turn it clockwise to allow for smooth installation, if necessary. With the 2 sets of washers provided. Universal: Our universal toilet seat attachment replaces most hinges that hold the toilet lid from the top, making the toilet lid more stable and reliable in your home.