Using this Bobrick seat - cover dispenser is easy. First, make sure you've installed it on a suitable surface as it's surface - mounted. When it's time to fill, simply access the bottom of the dispenser. You can load 250 single or half - fold seat covers or one box at a time. Remember to leave at least 5 inches of clearance from the bottom of the dispenser to the top of any horizontal projection so you can fill it properly. To keep it in good shape, wipe it down regularly with a soft, dry cloth. Avoid using abrasive cleaners that could damage the matte black powder - coated finish. This dispenser is ADA compliant, so ensure it's installed in an accessible location.