ReliBeauty Women's Hollow Out Back Swim Dress, Plus Size Swimwear Shell:80% nylon and 20% spandex, lining:90% nylon and 10% spandex Imported Hand wash only. Maximum washing temperature 30. Do not wring or tumble dry but hang dry with water in a shady place. Do not iron. Do not bleach. Self-tie hollow out back Adjustable shoulder straps Drawstring ruched sides Molded cups Regular fit, fits US sizes 10-18. About the detail of size info, please follow the Product Description.