" Elasticity and High Quality: This winter warm LED knitted hat is made of very elastic and comfortable material, suitable for most head shapes of children, men and women It adheres to the skin and provides long-lasting warmth and softness Halloween / Christmas / Birthday / New Year gift for your family, friends and loved ones Machine wash, hand wash Fixation: elastic Doudou Visibility and Safety: Our LED light up comforter has 3 modes to let you see clearly in the dark The lighthouse can illuminate the distance up to 30 feet It directs a directional light towards what your eyes are looking at Super Powerful: Built-in 4 SMD LED headlights, providing 120 lumens and up to 4 hours of continuous use or 68 hours of realistic intermittent use Provide enough light so that you can find directions in the dark or perform tasks in low light environments, while the knit cap can keep you warm in cold weather Multi-purpose: The beanie with LED light is very suitable for dog walking, jogging, cycling, camping, hunting, fishing, hiking, DIY, barbecue, car repair and home renovations or any other activity requiring hands-free lighting "