The Hot & Cold Relaxation Mask is imbued with fragrant oils and natural herbs to soothe aches and pains, restore tired muscles, and invigorate senses. Simply heat in the microwave to provide comforting moist heat to relieve headache and sinus pain. Or chill in the freezer for a cold compress to reduce swelling in tired, puffy eyes. The Mask features an elastic band to hold it in place and a satin back that's gentle on the skin. Filled with all-natural grains. Ideal for relieving sinus tension and headaches. Take your health to the next level with guaranteed FSA eligible Hot and Cold Packs.