1.Effective Relief for Eyes Discomfort - Whether you are looking for relief from puffy eyes, migraine, headache, or just to relax, cooling eye mask is here to help! Use our gel eye mask to create a cold eye ice pack to use for relieving puffy eyes, dark circles, headaches, migraines, tired eyes, or as a hot eye mask to reduce swelling, dry eyes. The flexible gel beads will remain pliable and comfortably conform to the shape of your face even frozen at -18℃.2.Reversible Double-Sided Design - Ice pack cooling eye mask is made with pvc on one side and soft plush fabric on the other side to ensure optimal safety as you sleep. The soft plush side allows direct-skin use and provides spa-like experience, or choose the plastic side for direct colder experience.3.Adjustable & Unisex Fit - With an adjustable head strap, our hot and cold eye mask is sure to fit perfectly on all different head shapes and are suitable for women, men, kids. Designed for long hours of comfortable wear as you relax and rest, and a secure fastener ensures the cold eye mask firmly stay on your eyes even as you toss and turn in bed.4.Hot & Cold Therapy - Just simply put the cool eye compress in the freezer for 2 hours for cold therapy or heat it in the microwave for 10s for heat therapy. Use the plush side for a cool experience or the plastic side for colder experience. Hand wash, rinse & lay flat to dry.