Azar's 162714 U-frame wall-mount sign holder is made of top acrylic. It is 8-1/2-Inch W by 11-Inch H. It comes with precut holes to hang on a door or wall for maximum advertising capabilities. The acrylic sides are .100-Inch thick and the holes are -1/40-Inch in diameter. The hardware to hang these signs is not included. Sold in packs of 10.