83% nylon 17% spandex. Contrast crochet lace racerback. Front tie closure. BTIN-WX92. 517BB. Bettinis bikinis fun, flirty and a full of life. Coming from the inspiration of North Carolina oceans, sand and seashells, Bettina gives a play on her name to create Bettinis so that every wearer can feel posh running down the beach.