YUFEIDA Sexy Lingerie Men's Pouch Thong G-String Underwear Faux Leather T-Back Black Waist: Small: 27"-29"; Medium: 30"-31"; Large:32"-33"; X-Large: 34"-36" Smooth and soft feeling Faux Leather,80% nylon+20% spandex 100% brand new and high quality Asian size is smaller than US/EU/UK size,so please check my measurements to make sure what is your size before ordering