80% polyamide, 20% elastic fiber This swimsuit is a 3-piece suit that includes: 1* Bikini Top + 1* Bikini Underwear + 1* Mermaid Tail??These has Series and from 3-12 year old girl US regular height to chose? 110 yards for 110 cm high, 120 yards for 120 cm height, size 130, height 130 Centimeter, size 140 corresponds to 140 cm high, size 150 corresponds to 150 cm high Can add Monofin, but NO monofin included.(You can buy extra by optional from our store,The MONOFIN designed by protection patent on high quality and perfect size fitable for our Fishtail Skirt.)Because the mermaid tail is in long style so you can also select for your princess if she is tall or teen girls. Unique princess designed bikini top,matching panties;The mermaid tail has zipper or buttons,so it is walkable and easy to put in and out the monofin.bow at the waist;the leg holes of the shorts are trimmed with ruffles for a finlike look.This mermaid tail is suitable for summer mermaid party supplies. Every girl has mermaid princess dream,This is best birthday gifts for little girls and toddler girls who have a mermaid dream and make your mermaid dream come true!Go and have funs in the summer,enjoy the outdoors. The mermaid tail keep women fashionable and comfortable in summer holiday and give you unique feeling,which is suitable for mermaid party supplies, beach holiday, pool party, swimming, cosplay, photo, Hawaii and so on.