LAPAYA Junior's Two Piece Swimsuit Sleeveless Zip Front Sporty Rashguard Swimwear 80%Nylon 20%Spandex Imported Zipper closure Hand wash cold Two piece swimsuit, Rashguard swimwear, Zipper front, Sleeveless, Racerback, Mock neck, Solid color Swimsuit set features zipper front design make it easy and chic to wear Good for sports, exercise or other swim activity The size on the product detail page is US size.