Mazu Swim Plus Size Underwire Square Neck Tankini Top with A-Line Skirt (16W-24W) Square neckline with supportive underwire bra with soft cups. Wide straps provide easy adjustability and a custom fit. A-line skirt with generous lenth for the perfect thigh and bum coverage. Built in brief. Hand wash with cold water; line dry 82% Nylon/18% Spandex, Lining 100% Polyester