*The swimmable mermaid bikini set is a great gift for children, increasing their summer fun. Suitable for swimming pools, beaches, bathing, themed parties, Halloween and cosplay.*The flower garland headband that can floats on the water makes your baby girls look like a princess, suitable for wearing in the water or at a party.*Fastening: Elastic. Made of high-quality polyester fibers*Made from polyester and cotton blend, the 4 Pcs swimsuit sets is comfortable, durable, elastic, stretchable and easy to dry.*Match Most Fins: Package does not include a monofin, but the width of the fin part reaches 22 in(56cm), which could match most fins 15.7-18.9 in(40cm-48cm) in the market.*Package Includes:1 Bikini Top,1 Bikini Bottom,1 Mermaid and 6 Flower Garland Headband.