WARNING: Do not use in microwave oven.</br>Warms up tired eyes with the steam hot eye mask.</br>It heats up to around 40℃(104F). The steam and warmth relax your eyes.</br></br>Product Description</br></br>The megurhythm steaming hot eye mask instantly heats up to about 104f (40a"ƒ) and relaxes you and your eye area. The soothing warmth lasts from 5-10 minutes to dissolve away the day's stress.14 Masks. Non fragrance. Caution: should temperature feel uncomfortable, remove immediately. Should rash, redness, or itchiness of eye area occur, discontinue use immediately and consult a doctor. Continued use may worsen symptoms. Do not store in direct sunlight or in high temperatures. Keep out of reach of children.</br><br/>http://www.amazon.com/gp/product/B0012R23UK