Billabong Des Tropics Reversible Bralette Bikini Set. This fabulous bikini set comes with a reversible bikini top so that you can change up your style depending on your mood. Reverse top has a seashell print. The seashell print is used as trim on the bottoms as well as the banding on the top. Pull-on top has adjustable shoulder straps. Top: 82% polyester, 18% elastane. Bottoms: Body 82% polyester, 18% elastane. Lining: 92% polyester, 8% elastane. Hand wash. Imported.