70% Polyamide & 20% Elasthanne & 10% Net YarnSet Include: 3pcs swimsuit(1pc Top +1pc Underwear +1pc Mermaid Dress)Unique design veil Mermaid Dress， looks like a beautiful mermaid princess for your girl.It's good gift for your girl，Great for the bathtub， kiddie pool， beach or photos!Size: 110:Dress Length 66cm，Hip 64cm，Bust 54cm(stretchable)，Advice age 3-4T120:Dress Length 70cm，Hip 68cm，Bust 56cm(stretchable)，Advice age 4-5T130:Dress Length 74cm，Hip 72cm，Bust 58cm(stretchable)，Advice age 5-6T140:Dress Length 78cm，Hip 76cm，Bust 60cm(stretchable)，Advice age 6-8T150:Dress Length 82cm，Hip 80cm，Bust 62cm(stretchable)，Advice age 8-10TSAFETY NOTICE:Tails are snug fit， designed to make you look more like a mermaid.Photo shooting ON SHORE recommended. Please swim without it.Adult Supervision is a must if you plan to use it in water!Please kindly notice that the size and advice ages are for reference only，please select the suitable size according to your child's height and weight.Thanks for your understanding.