This is an officially license Scooby-Doo product.The tie dye multicolored sleep shirt features a front graphic of everyone's favorite canine sleuth. Scooby and his crew take the Mystery Machine across the country solving mysteries and unmasking the villains. When the day is done, it is time for snacks. The short sleeve nightgown is made of 100% Polyester. Makes a great gift idea. These are the best!