Celebrate the season with a Dog Santa Hat! Made of soft plush fleece. Adjustable elastic chinstrap. Available in 3 sizes. Why We Love It: Have a festive Christmas with your pup wearing a Dog Santa Hat. Our Aria Santa Hat for dogs is a whimsical way bring cheer. Your dog is sure to be the life of any Christmas party wearing this! Also great for Christmas photos! Our soft fleece Aria Santa Hats are available in three sizes for every pet. The snowball pompom adds a jaunty, adorable touch! Small hat measures 3 1/2"L x 4"H Medium hat measures 5" x 5" Large hat measures 6" x 6 1/4"