Designed with meticulous attention to detail, the Birkin bottoms feature highly detailed stitching, adding an extra layer of elegance to your swimwear ensemble. They offer a flattering fit and unparalleled comfort, ensuring you feel confident and stylish with every wear. Bianca wears a size XS. 74% recycled nylon 26% spandex. Every Zonarc swimwear piece is made entirely from recycled and sustainable fabrics; both self fabric and lining. Care: Rinse after chlorine and salt. Hand wash cold with mild soap. Lay flat to dry in shade. Orders are fulfilled within 3 business days of order placement. From the date of fulfillment, standard shipping typically takes 3-5 business days to arrive within the EU. Expedited shipping options are only available at checkout and are only available on business days (Monday - Friday). For same-day fulfillment, you must place your order before 12pm CET. Express Shipping takes 2 business days from the fulfillment date.