WINDAY Men's Sexy Underwear Thong G-String Elastic Smooth Bikini Airplane Underwear Package Contents:4*Briefs Material--Lace;Ice Silk ; Material--Nylon Clearing mite antibacterial effect, good affinity to skin, breathable moisture, not out of shape Asia size S:= Waist 25"-27" ; Asia size M: = Waist 28"-31" ; Asia size L: = Waist 29"-36" ;