One 13 x 19 inch Mad Birds Party Poster. This poster is printed on high-quality satin sheen paper and was created by Moxzie, Inc. to coordinate with our Angry Birds Party Supplies. Place your Mad Birds Party Poster on the wall behind the food table. Let guests know where the party house is by fastening one of these friendly signs to your front door. Or try attaching Mad Birds Party Posters to wooden dowels and placing them in your yard for a unique display!