Just add water in the Tommy Bahama Island Cays Marina Underwire Tankini Top in Beach Glass Blue. The Island Cays Marina Underwire Tankini Top by Tommy Bahama is made of 95% Recycled Nylon and 5% Spandex. The Island Cays Marina Underwire Tankini Top features adjustable straps, half moon cups, and tummy control. For best results, handwash your Tommy Bahama swimwear.