Zmart Men's 5-Pack Sexy Underwear G-String Mankini Thong T-Back Black Red Yellow White Blue MATERIAL95% Cotton and 5% Spandex. SIZEM: Waist 26"-28",L:Waist 28"-31", XL:Waist 31"-33". CARE INSTRUCTIONSHand wash in cold water. PACKAGEInclude 5 pairs of different colors, black, yellow, white, orange, blue, as the picture showed. PERFECT CHOICEHelp to improve sexual life ,great for anniversary ,valentine day ,swim party ,special day for sexy game.