Speedo Big Girls'  Solid Halter Tankini Swimsuit nylon 81% Nylon, 19% Spandex 100% nylon liner for durability and less show-through. Bright colored contrast trim in popular tankini styling. SPF protection of +35 built into fabric By Speedo - #1 swim brand worldwide Hand wash cold separately. Non-chlorine bleach. Dry flat. Do not iron. Do not dry clean