One 13 x 6 inch Under the Sea Tall Centerpiece. Add some sweet style to your tables with our Under the Sea Tall Centerpiece. This centerpiece was designed by Moxzie, Inc. to coordinate with our Under the Sea 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.