The Best Pain Reliever: An excellent reliever to various pains such as headaches, eye strains, heat exhaustion, hangovers, puffy eyes, and fever. Ergonomically Designed: Our Full Face Mask provides more face coverage than the competition, for more cooling comfort. Secure elastic strap with velcro, ensuring one size fits all! For Hot & Cold Compress Use: Use it warm to ease tension headaches, the discomforts of a sinus pressure, & stimulate blood circulation. Use it cold to refresh puffiness, relieve muscle tension and fatigue after sports. Safe to Use: Contains Sodium Polyacrylate Gel, non-toxic and safe to use! Made from soft, pliable eco-friendly PVC and with a weight of only 230g approx. We're Here For You: All our products come with 100% warranty - if you have any issues, please contact us, and rest assured we will get back to you for sure.