Using this Bobrick seat - cover dispenser is easy. First, install it on the wall following the given wall opening dimensions. Then, load up to 500 toilet seat covers inside. When someone needs a seat cover, they can simply open the door with the flush lock and take one. Remember, keep the dispenser in a dry area to prevent rust on the stainless - steel body. To clean it, use a soft cloth and a mild cleaner. Avoid using abrasive materials that could scratch the matte black finish.