Youngbox Mens Underwear Sexy Pouch Briefs Lace G String Thong Stretch Elastic Bikinis, US S/Tag M,  Green Material: Lace Clearing mite antibacterial effect, good affinity to skin, breathable moisture, not out of shape Thin elastic waist and leg trim S : Waistline-26"(-30'' stretch )M : Waistline-28"(-31.5'' stretch )L :Waistline-30"(-33.5'' stretch ) Hand wash ONLY,slightly,cold water