USEFUL PROPERTIES APPLICATION: Cooling mask reusable, helps with sinusitis, sinus pressure, cold, fever, muscle aches and stiffness, stress, insect bites, sunburn. CONVENIENT AND SIMPLE TO USE: simply facial heat mask place in refrigerator or freezer until desired temperature for a cold ice pack effect. For a hot effect compress, simply place gel mask for face in microwave until desired temperature is reached. Cool this gel pack for 20-30 minutes. ADVANTAGES AND VERSATILITY: hot cold face mask can be used not only to cover the face and eyes, but also to cover the, neck, head, back. gel face mask cold pack is perfect for traveling, meditation, yoga or relaxation. Just place it where you need it and relax. It retains its flexibility even when it is heated or cooled, which allows it to fit your eyes and sinus area and relieve tension from your face, reducing pain and tension. PHYSICAL CHARACTERISTICS OF MASK: one side of a puffy face mask consists of microfiber, which creates a feeling of a soft touch on the skin of the face – ideal for sleeping and relaxing, the other side is made of a material that does not contain latex and is not toxic, Thanks to gel balls, ice mask neatly and comfortably to the face.