Currently Out of Stock. Create a beautiful Disney Princess themed party room or photo back drop with these huge Ariel Little Mermaid decorations. Each Ariel Little Mermaid Add On is made from a lightweight, re-usable plastic and measures 85cm wide by 127cm high, approximately. Overlay on one of our Scene Setter Background Walls or fix directly to the wall with double-sided tape or blue tac type adhesive (not included). A perfect bedroom decoration for your Princess after the party is over.