T'z Tagz The Original 6 Pack of Wall Mount 8.5 X 11 or 11 X 8.5 Clear Acrylic Sign Holders with ADHESIVE, No Drilling Displays Literature both Vertically or Horizontally No Screws Required, has Permanent Adhesive Mountable to any Flat Surface(Metal, Plastic, Wood or Glass) Great for Doors and/or public areas where permanent sign are needed T'z Tagz The original designers of the Universal Wall Mount Sign Holder part number UWM-001 manufactured in Morris, IL