Fast-Drying: Concise Briefs With Soft & Lightweight, Made From Premium Nylon And Spandex, Make Water Evaporate Quickly Opaque: Solid Swimwear Won't Exposure Body In Water Or After Swim Fit And Correct Size Make You Feel Nice And Comfortable When You Wearing Nice Fabric And Fit Cut, Suitable For Summer Vacation/Swim Party/Beach/Pool Wash In Cold Water Or Machine, Don't Add Bleach. If You Have Any Questions Or Suggestions On Our Products, Please Tell Us In Time, We Will Give You A Satisfactory Answer As Soon As Possible YUZHOU Solid color mens bikini swimwear combine excellent fabric with big-league design to provide an outstanding wearing experience. hard to beat the design, quality and price point even for high end swimwear brands. These highly quality swim briefs use Nylon and Spandex, makes swimwear stretchy and comfortable,the leg openings fit, make everything in right place, adapt to different types of exercise. The adjustable drawstring is an indispensable part in bathing suit. Other features include quick- drying, the skin wasn’t sticked, keep you feeling and looking great; Lightweight, when you swimming, you can’t feeling any drag, This is great for waterparks or beaches with little kids where you might go in and out of the water often. also rinse it in cold water after every swim and let it air dry which I think help prolongs it's life. Rinse it in cold water or machine wash after every swim and let it air dry.Before purchasing a swimsuit, please strictly refer to the size chart in the product image. If you have a stronger than average body type, please choose a size larger than the recommended size.