Jaxu Men's Out Ring Pouch Mesh Thong Underwear 90%Polyamid+ 10%Elasthanne Machine wash in soft cycle or hand wash. Do not use chlorine bleach.Do not iron. Mesh fabric Pouch and out ring design M(Fit for Waistline 28.3"~32.3")/L(Fit for Waistline 29.9"~34.6")