The magnetic eye mask has a surface flux parameter of 1000 Gauss. Norstar's Eye Mask can be used for the following: SLEEP / STRESS / HEADACHES Use the eye mask whenever you feel tension in the area. It is a quick and efficient way to combat tension. LONG HAUL FLIGHTS Remember to take your eye mask with you. It will prove invaluable on the plane and at your destination to assist with sleep and jet lag. BEAUTY THERAPY As with all magnets, we gently and naturally increase and improve circulation to the area. Our magnetic eye mask has been known to lessen the appearance of lines around the eyes and to reduce puffiness due to water retention SHOULDER / BACK OF NECK TENSION Simply slip the eye mask over the head and position the magnets to sit comfortably on the back of the neck.