82% Polyester, 18% Elastane Imported Pull On closure Machine Wash Fabric: High stretch, breathable, soft, comfortable and skin friendly Design: 2 pieces set, solid color, tie side, tie back, spaghetti strap Occasion: Suit for swimming, spa, surfing, bathing, pool, beachwear, etc Garment Care: Machine wash, do not dry clean Size: please refer to the size chart as below(not amazon size)