Under The Sea Mermaids Fairy. Size: 20 inches. Mark Roberts Fairies Limited Edition Under The Sea Fairy and Mermaids Collection, Flexible and Posable Fairy Doll Decorative Collectible. Coastal Sea Beach Mermaid Mermen and Fairy Themed Decorations and Decor. By Mark Roberts Limited Edition Under The Sea Collectibles are one of the most elegantly designed products in the Gift and Home industry. Every element in each piece was designed with the highest level of detail and creativity. A piece that is undeniable of heirloom quality. Mark Roberts Fairy Mermaids and Merman Collections Found Available and In-Stock Now at The Digs N Gifts Coastal Christmas Store Fort Lauderdale By The Sea, Florida.