Jaxu Men's Printed Thong Pattern T-Back Underwear Imported 95% Regenerated cellulose fiber + 5% Elastane Machine wash in soft cycle or hand wash. Do not use chlorine bleach.Do not iron. Breathable printed fabric Pouch bikini,thong design M(Fit Waistline 28.3"~31.4")/L(Fit Waistline 29.9"~33")/XL(Fit Waistline 31.1"~35")