This tankini top features a stunning print and a bandeau style bust. It has adjustable straps, a soft cup shelf bra for support, and best of all our exclusive drawstring bottom that allows you to determine the fit. The adjustable straps can be worn straight or criss cross. The drawstring bottom ensures that your top won't float up when you're in the water. This tankini top looks and feels great in all 3 trimesters and post-partum! Choose a coordinating Mermaid Maternity swim skirt, swim short, or swim brief (each sold separately) to create a maternity swimsuit you'll love wearing. Peacock is 80% polyester; 20% spandex; Polka Dot is 80% nylon; 20% spandex. Hand wash. Air dry. Made in USA of imported fabric. To select your size: Generally, you should order your pre-pregnancy size. Pre-pregnancy size 4-6 is size small, 8-10 is medium, 12-14 is large, 16-18 is XL, 20 is XXL, 22 is 2X, 24 is 3X. Also, consider your current bust measurement (measuring around the fullest part of your bust). Our size small best accommodates a bust measurement of 36-37.5 inches. For size medium, bust measurement is 38-40 inches. For size large, bust measurement is 40.5-42.5 inches. For size XL, bust measurement is 43-45 inches. For size XXL, bust measurement is 46-48 inches. For size 2X, bust measurement is 47-49 inches. For size 3X, bust measurement is 50-52 inches. If you have specific fit questions feel free to contact us.