Speedo Girls Swimsuit 1 Piece RacerbackBathing Suit Purple Pink Turquoise Shell: 80% nylon, 20% spandex. Contrast: 82% polyester, 18% spandex. Lining: 100% polyester. One piece swimsuit. Racerback with keyhole opening. Resists bagging, sagging, and the effects of suntan lotion, skin oils, and chlorine. No Wedgie Worries technology with silicone gripper at leg openings for stay put coverage. Xtra life lycra fabric lasts 5 to 10 times longer.