These beauty sleep eye masks are made from among the finest fabric?? so the touch is soft and gentle?? good for sensitive skins. They also do not leave lines or marks on your face.</br>The non-plastic elastic strap will stay at the back of your head and will not mess up your hair when you take it off. You can enjoy a total blackout to sleep tight?? to relax?? or to have a rest while traveling?? e.g. on airplanes or in trains?? during mediation sessions. Pamper your tired eyes?? soothe headaches?? and minimize puffiness with the additional cooling pad.</br>Cooling & Warming Therapy: Cooling - Place the pad into the refrigerator 1 hour before use?? or place in freezer"s before use; Warming - Place in hot water within 30-50 degrees Celsius (86-122 degree Fahrenheit) for 10 -15 minutes to heat it. Mask can also be used alone without inserting Gel.</br>Gel pack can sustain the temperature for 20 minutes - the best time recommended by doctors for the maximized effects.</br>The design is unique and cute?? making them the perfect gifts for friends and families. You can also wear a matching pair with your bestie! Size: 6.3 x 3.54 x 0.4 inches?? and elastic Strap length 11.4 inches (max extension 23.6 inches). No for sensitive eyes and skin.</br></br>Product Description</br></br>Maison Maxx eye mask can block out the light efficiently and the gel pad is able to relieve your eyes after continuous working or gaming in front of the screen.<br><br> <b>Specification</b><br><br> Material: mask: 70% cotton + 30% polyester; g