ONEFIT Men's Sexy Faux Leather Panties Thong G-String Underwear 95%Spandex, 5%Nylon. Hand wash/machine wash. For your health, please wash separately from other laundry Please do not refer to Size Chart, select the size you usually wear, if it is between two sizes, choose the biger size Silky-smooth lotion touch microfiber hugs curves,Comfortably stretchy Fashion and Sexy Design, Every Cool Man Must Has it This underwear have carry buttock effect, because of hollow out design and has good permeability, breakthrough embodies the design concept: sex