Men's Rhombic Jacquard Thong Lace Bikini Underwear T-Back Pants 85% Nylon + 15% Spandex Machine wash in soft cycle or hand wash. Do not use chlorine bleach.Do not iron. Mesh jacquard lace,geometric pattern Pouch brief,bikini brief design M(Fit Waistline 27.6"~31.9")/L(Fit Waistline 29.5"~34.3")/XL(Fit Waistline 31.1"~36.3")