1 - Cute Appearance: This hat has a cute animal friend appearance with delicate pattern, which is loved by children. 2 - Widely used: the winter warmer illuminated hat can free your hands when lit, so children can play more freely and safely. It is very suitable for night runs, dog walking, camping, cycling, playing in the snow, mountaineering, jogging, outdoor night fishing or other lighting events. 3 - LED lamp can be easily charged via USB: The hat has three light brightness modes that can be adjusted, the LED can be removed to wash the hat. Above all, you can charge it, so you save yourself the follow-up costs due to the batteries. The lamp can be easily removed from the hat and charged via USB port in the computer (no cables or adapter) 4 - Great Christmas gift for children: great gift to make children visible. For winter and a great gift. Hat size: 19 x 19 cm