Mickey Mouse 1st Birthday Party Hats feature sweet baby Mickey against a blue polka-dotted background and come with an elastic chinstrap for easy on and off. Place Mickey Mouse Birthday Party Hats on your party table for a festive touch or include in loot bags as favors for guests. Package includes 8 Mickey Mouse 1st Birthday Party Hats, each measuring 5 1/2in high x 4 1/2in diameter.