TooletriesGeorge Toothbrush Tile is made to fit most toothbrushes and is also great for travel.  Simply place it in your toiletry bag when you travel and pull it out when you get to the hotel and place it on the mirror.  No more having to put your toothbrush in a plastic cup or dangle it over the edge of a sink.  No suction cups, no adhesives, and leaves no residue.