We'd been using a sign that scrolled from clean to dirty; it kept us from putting dirty dishes in with the already clean ones. As much as we liked it, 3 times someone's clothing snagged the unit and snatched it from the front of the dishwasher. I became tired of gluing it back together and 2-sided taping it back in place. So I came up with one that uses a 5x10x20 magnet. Even if it parts ways with the dishwasher, it can just be slapped back on.