ONEFIT Men's G-String Thong Underwear Mesh Briefs 80% Nylon 20% Spandex. hand wash or machine wash Waistline Size : S--28-30inch/70-76cm Waistline Size : M--32-34inch/80-86cm Waistline Size : L--36-38inch/90-96cm ONEFIT Men's crotchless underwear. Perfect for evening party,club,and sleepwear.And give you a romantic night