One 5.62 x 6.25 inch ABC 1st Birthday Centerpiece. Add some style to your table with our ABC 1st Birthday Centerpiece! This centerpiece was designed by Moxzie, Inc. to coordinate with our ABC 1st Birthday Party Supplies. The triangular piece is printed on all three sides, and set-up is quick and easy. Use your centerpiece alone, or pair it with one of our personalized centerpieces for a perfect matching set.