Led Light Design: Each Christmas LED Knitted Light Hat is embedded with 6 colourful LED lights in 3 flashing modes for 36 hours of continuous light. There is a hidden switch on the seam of the hat, just press the button to change the mode and the lights will flash at different frequencies. Stand out from the crowd with a little hat with lights. Packaging: christmas hats Includes 2 different styles of light up christmas hats with pom poms, featuring classic christmas elements, christmas tree, the light up hats are brightly coloured, beautiful and fashionable. the LED clothing adds a festive atmosphere. Comfortable To Wear: The Christmas LED hats are made of acrylic, warm, soft, comfortable and skin-friendly, the double-layer Christmas woolen hats keep your head safe from heat, can be worn indoors and outdoors, and bring you a comfortable wearing experience in the cold weather. Size: The Christmas hat measures about 8.27 x 8.27 inches, it has a good elasticity, won't make you feel too tight or too loose, LED Christmas hats are suitable for men, women, kids and children. Thoughtful Gift: Funny light up hats are great for Christmas parties, clubs, birthday parties, pubs and other party events, and can also be a perfect gift for your friends and family on Christmas, New Year's Day, Thanksgiving, Halloween and other holidays.