KALI GIRLZ Tie Dye Skull String Bikini [K256-T1L]Blue/Purple 80% Nylon, 20% Spandex Hand wash in cold water. Use mild soap. Do not wring or twist. Drip dry only. Kali Girlz string bikini is a classic swimsuit with a racy cut. The halter top has sliding triangle cups and double string ties.