Features: - Comfortable Material: LED Light-up Christmas knitted beanie hat is made from soft acrylic fabric, personality and keep you warm. One size fits all people, boys girls men and women. - Beautiful & Fashion: The battery box and the switch are hidden on the edge of the Santa Claus hat, and the whole hat looks very tidy, this beanie is designed for you, best gift for the holiday, festival, party, Christmas, birthday, Neon Party. - LED Hat: With the colorful blinkings LED, light up your celebration, perfect decoration for Christmas. Add some fun to your holiday. - Ugly Xmas Sweater Flair: Pair this merry accessory with your ugliest Christmas sweater for a holly jolly contest-winning look. This also a fun photo booth prop & giveaway. Specifications: Type: Christmas hat Material: Knitting + Lamp Design: with Light Hat function: Keep warm, daily wear etc. Light Control: Switch button Light function: Slow flash, Stroboscopic, Constant bright Power Supply: Coin Cell Battery Occasion: Christmas, party, decoration etc. Size: 25 x 22 cm Instructions to activate the lights: Step 1: Turn switch to "ON" position. The switch is located inside the seam. Step 2: Press the ON/OFF button. Package Included:1 x Christmas Hat