One 10.5 x 6 inch My Polka Dot Birthday Tall Centerpiece with assembly instructions. Add some girly style to your tables with our My Polka Dot Birthday Tall Centerpiece. This centerpiece was designed by Moxzie, Inc. to coordinate with our Minnie Mouse 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 our small centerpieces for a perfect matching set.