Birdsong Size 18W Eco Onyx Plus Size Flyaway Underwire Tankini Swim Top Black New with tags. Retail: $108 Underwire Tankini Swim Top. Pair with your favorite bottoms. Tagged Size: 18G/H - which fits bra sizes 38H, 40G and 42DDD Birdsong. Made by Bare Necessities. Bra-sized swim brings exceptional quality, fit and fashion to hard-to-find sizes. Feel beach ready in this figure-flattering tankini top. Built-in underwire shelf-bra with removable foam inserts Back adjustable stretch straps convert to criss-cross Sustainable & produced from recycled materials Stretch microfiber Style Number S30158P-EOND Content Body: 87% Recycled Nylon, 13% Spandex.Lining: 88% Polyester, 12% Spandex. #BS51