Tie closure1??Material: Polyester,Spandex . It was so comfortable and good eastic.2??The tie bikini size: S-US 4-6, M-US 6-8, L-US 8-10, This size not of the Amazon size.Plz check it when you buy it.3??Tie it up at the back and adjust it how you want, and the tie-side bottoms are a simply classic silhouette. Team yours with oversized sunglasses and embellished sandals for a summer-ready ensemble.4??This triangle style Bikini has Padded, Adjustable Spaghetti Straps, adjustable ties on the top and low-rise briefs for the perfect fit,it was quickly dry and comfortable, simply classic swimsuit show your charming stature.5??Perfect for Tropical Vacations, Summer, Beach & Pool , hot springs, SPA.