Rorychen 3pcs Kid Girl Swim Mermaid Tail Sea-maid Bikini Swimsuit Swimwear(3-7T) Material: Polyamide + Elasthanne . Suitable for 3-7 years old little girls. Unique and elegant mermaid bikini swimsuit. Mermaid tail swimsuit top shorts set, bust and waist are stretchable. At the bottom of the mermaid tail is hollow out for walking around . Great for playing on the beach or swimming pool.Pretty gift for baby girl of yours or friends. Notice: Please check the size map in the picture carefully before ordering.