The eye mask is super lightweight, soft and comfortable, adjustable HOOk&LOOP strap to fit all head sizes. Comfortable to wear adjustable headband, will not fall off when you move during sleep. Alar design, seamless and comfortable. When you sleep, the mask blocks the shape of the lamp. Soft sleep no odor, size adjustable. Great men, women and children-for siesta, travel, relaxation, shift work, meditation, etc. home, office, rest, in the car or stop unnecessary light from the electrons.