M-I-C See you real soon. K-E-Y Why? Because we like you! M-O-U-S-E. Mickey Mouse is the face of Disneyland and one of Disney's most popular characters. Your little one will love getting ready for bed with this officially licensed Disney Mickey Mouse toddler 4-piece pajama set. Includes 2 long sleeve shirts, and two pajama pants with elastic waistbands. Made of 100% Cotton. These pajamas are not flame resistant and are meant to fit snugly. Recommended to size up if worried about tight fit.