Watch kids light up the room like never before with these bright, warm beanies featuring reflective stripes and a removable 120-lumen light that charges via micro USB (not included). The Kids’ X-Cap Light Up Hat is a great choice for wearing while playing outside on snowy days, or while biking or skiing at night or in low light. One size fits most. The Kids’ X-Cap Light Up Hat is made of reflective yarn and acrylic. One size fits most.