MASS21 Men's Sexy Underwear Pouch Thong Swimsuit Low Rise Bikini Briefs Imported Elastic closure Material: 90% MicroModal+10% Spandex,Nature and Eco-friendly;New Style 1 is made of Cotton;New style 2 is made of Polyester Imported Seamless technology construction and fabric,which keep you cool and dry for everyday use, working out, and sports Low rise, falls below the natural waistline Leave a lasting impression with sexy styles by MASS21,All sizes are made according to the size standard of USA.If there has size problem,feel free to contact us to get a free replacement.Email us at:mass212016@foxmail.com Micro modal---breathable and thin Cotton---------friendly to skin and natural Polyester------elastic and comfortabl Micro modal---Claret-red/Navy blue/Black/Light gray/White/Light blue/Assorted color Cotton----------Assorted colorclaret-red and navy blue Polyester-------Assorted colorblack and striped