The hilarious product created by the gang from Always Sunny in Philadelphia! The Dick Towel is One Size Only, but has the Small and Large Version on each towel. If you caught this season's episode of It's Always Sunny in Philadelphia then you are already familiar with the Dick Towel that was invented by Mac and Dennis. This clever little item is already an internet sensation. In a little over a month of it being available for purchase 1000's have been ordered and delivered. Also get the vagina towel for your girl!