"Block Out Light. Sleep Blissfully. Whether you're on a plane or your significant other stays up too late reading, you'll want one (or two) of these super soft Kozi Eye Masks. Its silky-smooth fabric contains a physician-formulated blend of herbs to envelop your senses while you rest, encouraging blissful sleep. It also features a comfortable, adjustable strap to gently keep it in place. For extra relaxation, store it in the freezer for cooling relief for tired eyes. Great for home and travel–keep an extra one in your suitcase so you don't forget it. Filling: lavender, lemon, chamomile, cinnamon"