Material composition: 89% polyester, 11% elastane; fabric type: knit; to ensure the longevity of your product and proper care, please follow the washing instructions below; hand wash in lukewarm, soapy water after each use. do not use bleach or detergent. do not store the swimsuit wet, in a closed, nylon bag. dry inside out in the shade. fluorescent colors fade in the sun, and chlorinated water and sunscreen can damage your swimsuit; the product has a removable, covered cup; features an open back; colors may vary slightly in studio shots due to lighting differences.