These are Officially Licensed Disney Frozen Olaf Character Pajama Pants. The Original Frozen animation was released by Disney in the year 2013, and it was a massive hit! It follows the snow princess Elsa, and her sister Anna as they meet some incredible characters, like the hilarious snowman brought to life by Elsa, Olaf! These Olaf Fleece Plush Pajama Pants feature an allover design of the happy snowman with a snowy pattern! It is a super soft fleece fabric with a Minky touch feel. Made of 100% polyester.