83% nylon 17% spandex. Halter neck and back tie closures. Front contrast lace trim panel. BTIN-WX90. 507BB. 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.