Double fabric design The cooling eye mask is made of PVC and super soft back. Both sides can be applied, the PVC side can provide a deeper level of cold, while the fabric side allows a pleasant touch directly on the skin and offers a soft cold. One size fits allSuper elastic straps allow this gel mask to fit different head sizes of women or men, and help keep the mask in place, you can adjust the strap to make the eye cold mask snug to your eye area to enjoy cold compression. Effective Relief: This reusable eye mask is ideal for relieving puffy, puffy eyes, dry eyes, tired eyes, headaches, migraines, sinus pain and stress. An essential first aid kit for facial allergies or eye treatment at home, in the office or while traveling, or as a gift for someone you love. Stay cold longerPressure test, no breakage, no leaks. This cooling eye mask has more gel beads, which means it can stay cold longer. The gel beads stay flexible even after being frozen, and the V-shaped hole helps block out light when you're resting. A storage bag is provided to store the mask in the freezer, which which can protect it from stains and odors.