Jaxu Men's Mesh Striped Pouch Boxer Underwear Imported 80% Nylon + 20% Spandex Machine wash in soft cycle or hand wash. Do not use chlorine bleach.Do not iron. Cut Square & pouch design Gauze spandex fabric M(Fit Waistline 27.6"~31.9")/L(Fit Waistline 29.1"~33.1")/XL(Fit Waistline 30.7"~35.4")