This 7-piece mermaid-themed balloon set by LYT is perfect for adding a magical touch to your little one's birthday, baby shower, or gender reveal party. The set includes one large 35.5-inch mermaid foil balloon, two 18-inch round mermaid balloons, two 18-inch star balloons, and two 21-inch shell balloons. Made of durable, non-toxic mylar foil, these balloons are designed to last, and can be filled with air or helium. The self-sealing valve on the foil balloons makes inflation easy. This set is suitable for children of all ages and genders, and comes in assorted colors to complement any mermaid-themed celebration. With these balloons, you can create a stunning underwater atmosphere that is sure to delight your little mermaid and her guests. For any issues or questions, LYT offers excellent customer service, including replacements or refunds.