Super Quality : It is made of 2 fabrics - Dark-colored premium fabric on the outside for pitch-black darkness and soft material pouch on the inside to hold all the wetness from the gel pack and safeguards your skin. Free Size : Easily adjustable free size mask to fit anyone and does not move or fall off while you?re sleeping. Skin-Friendly : This eye mask is super soft and skin-friendly. It is perfect for those who work under pressure. HOW TO USE : First put the eye cooling mask in the refrigerator and freeze for few mins(Control time according to personal preference) No time limit on the refrigerator. The ice eye mask comes with a reusable mask that helps for healthful storage and prolong the product lifetime. Freeze the gel eye mask and put it on your eyes to reduce puffiness from a night of poor sleep or a late night, or to relieve tired eyes that have been staring at a computer all-day. ONE SOLUTION FOR ALL EYE PROBLEMS : Use the eyes pack cooling for sleeping-Relief from stress, helps to improve sleep condition. Use for migraines- relief from headache, sinus pain and stress. Use for eye relaxing- relief from swollen, dry and puffy eyes.