led christmas hat sweater knitted beanie light up hat party gift for kids xmas 2021 new year decorations, Blue;gray

one button easily turns the hat on & off, as well as controls 3 flashing modes which range from flashing to all on. this high elastic warmer led knit hats fit wide range of head sizes for most boys, girls, men and women. one size fit most for kids closure super soft acrylic,premium stretchable material,double knitted warm layer. to switch the led lights on, simply turn the switch to the on position with just one click. the switch is hidden inside the cuff of the hat, keeping it discreet and compact so the hat is still comfortable to wear.