Polyester + Spandex. Women S=US 4-6;Women M=US 8-10; Women L=US 12-14; Women XL=US16-18. Drawstring closure Material: Made of high quality fabric.Soft, stretch, quick-drying fabric, very comfortable to wear. Unique design: Couple matching swimwear, tassel swim top, high waist Swimsuit , two-piece swimwear, ruffle design. Men’s swimming trunks: a drawstring waist, pockets on both sides, floral printed design. Occasion: This couple matching bikinis set are perfect for beachwear, swimming pool, sea, vacation, summer, photography, and other water activities. Gift: This swimsuit is suitable as a gift for your boyfriend, girlfriend, husband and wife. Size:Women:S,M,L,XL.Men:M,L,XL,XXL.Please Refer To The Size Details At Description Before Ordering.