Quality Guarantee - A storage bag is provided to store the eye mask in freezer which can protect the mask from stain and odor. We provide 1 year warranty for our products, if there is any problem about the product, please contact us freely and we will provide replacement or full refund without worrying. Stay Cold Longer - 100% pressure testing, no break, no leakage. This cooling eye mask contains more gel beads which means it can stay cold for longer time. Gel beads keep flexible even after frozen and the V shape hole help to block light when you rest. Effective Relief - Reusable ice eye mask is ideal for relieving swollen & puffy eyes, dry eyes, tired eyes, headaches, migraines, sinus pain and stress. An essential first aid kit for face allergies or eye treatment at home, office or travel, or as a gift for someone you love. One Size Fits Most - Super elastic straps allows this gel eye mask to fit different head size of women or men, and help to hold the mask in place, you can adjust the strap to make the cold eye mask tight to your eye area to enjoy the cold compression. Dual Fabric Design - Cooling eye mask is made of PVC cover and super soft backside. Both sides can be applied, PVC side can provide a deeper level of coldness while the fabric side allows a comfortable direct-skin touch and provide a mild coldness.