SILKWORLD Men's Modal U Convex Pouch Sexy Thong Pack of 5 95% Modal + 5% Spandex Sexy U Convex Pouch design, make you more stylish and stronger Great value! Super soft and comfortable Soft material that makes you feel very comfortable Modal is very soft and popularly used for household and clothing textiles. Modal becomes a substitute for cotton. However, it has some significant advantages that people enjoys over cotton. -- from Wiki