PREMIUM QUALITY- Our mermaid swimsuits are made of quality Polyester Lycra (80% polyester, 20% spandex), this material feels super smooth, stretchy and breathable, and is perfect for swimming.GREAT DESIGN- The mermaid tail can open and close with the zipper or buttons at the bottom,so it is walkable and easy to put in and out the monofin ( not included ). Mermaid tail is designed to be snug to follow the concept of real mermaid. Go and have funs in the summer!BEST GIFT- This is best birthday gifts for girls and toddler girls who have a mermaid dream. Our dress is a perfect fit for little girls who want to dress up as their favorite princess. Your little girl is going to love this dress!PERFECT FOR ALL OCCASIONS- Great for the Bathtub, Summer surfing, Beach holiday, Cosplay, Theme party, Halloween Party and so on. Excellent for swimming and take photos.Mermaid SET INCLUDES- 1* Bikini Top + 1* Bikini Underwear + 1* Mermaid Tail. Suit for 3-10 years old girls.