These are OFFICIALLY LICENSED Cookie Monster lounge pants! OM NOM NOM!! Cookie Monster is one of the most popular characters from the classic children's television show Sesame Street! The way he devours those Cookies, though... SAVAGE!! Remind you of anyone in your life? Or are you just a huge Cookie Monster fan? Then this is the pajama pants to buy! These Sesame Street adult lounge pants are extremely high-quality with a new fabric blend style. It is made of a wonderful 92% polyester / 8% spandex fabric blend and has a drawstring waist closure.