One 13 inch x 19 inch Cow 1st Birthday Boy Party Poster. This poster is printed on high-quality satin sheen paper and was created by Moxzie, Inc. to coordinate with our Cow 1st Birthday Boy Party Supplies. Place your Cow 1st Birthday Boy Party Poster on the wall behind the food table for pretty pictures. Let guests know where to stop by fastening one of these friendly posters to your front door. Try attaching Cow 1st Birthday Boy Party Posters to wooden dowels and placing them in your yard for a unique display.