Use this popular window poster mounting board for your home and business displays. Just slip the posting under the base of the boards suction cup retainer nuts and the two opposing wedge blocks. Tighten the suction cups down and your ready to mount the board. No more sticky tapes and other ineffective fastening methods. Now you can change or move the posting from place to place in less than a minute. The poster mounting board is made to accommodate 8-1/2 x 11 inch postings. So you can print your own posters on your home and office printer using standard size paper. The posting boards dual suction cup design and fabrication allow the board to be used both on inside and outside of glass surfaces.