Stylish Unisex LED Light Up Beanie Hat Knit Cap, Colorful 。Acrylic Christmas Hat is really soft, has better heat retention and good elasticity, suit for indoor and outdoor. Double layer winter knit christmas beanie hat, skin-friendly. Novelty design with so many unique patterns, catching your eyes, brighten up your holiday. Fit for your Christmas, Halloween, New Year, Birthday, Music Festival Party. The Christmas present for your parents, kids, friends,and yourself. The switch hidden on the hat edge(the introduce video is in left), 6 colorful LED flashing lights powered by 2 * CR2032. DO NOT Wash directly, it may break the battery. This high elastic warmer LED knit hats fit wide range of head sizes for most boys, girls, men and women.