Elastic closureUNIVERSAL SIZE: The head circumference of the lit Christmas hat is 25*21cm. High elastic knitted Christmas hat is perfect for kids, men, women and enhances the festive mood of the whole familyColored Lights and Replaceable Batteries: Santa hat with LED lights. Sparkling and colorful lights will make you shine at the party. The replaceable battery can be easily replaced when it runs out, and your Santa hat can stay bright throughout the holidaysPREMIUM MATERIAL: The Christmas hat with lights is made of soft and comfortable acrylic fabric, light weight, double layer, good warmth retention and good elasticity. Keeps you warm in cold winters, suitable for indoor and outdoorOccasion: LED Christmas hat with deer snowflake pattern, eye-catching, light up your holiday, whether it's Christmas, club, dance, birthday party, bar event, night bike ride or other parties, also a great gift for friends Great Christmas gifts and family