TheraPearl Colored Eye Mask is a mask to be applied to the eyes, indicated for dry eyes, headaches, sinus problems, puffy eyes. Non-toxic and reusable, it contains TheraPearl technology that gives flexibility and malleability to the compress, allowing a perfect fit to the eyes. The beads change color to make the temperature more visible. It combines heat and cold therapy to effectively relieve everyday pain: Cold therapy: contact eczema, atopic dermatitis, eyelid edema (swollen eyes), after eyelid surgery, headaches, sinusitis. Hot therapy: Meibomian dysfunctions in blepharitis, dry eyes, rosacea eye, chalazion. Contains a mask of : 22.9 cm x 7 cm. Read the instructions before use. Cold Therapy: Place the device in the freezer for at least 2 hours (4 hours for optimal use). Heat therapy: microwave for the specified time and temperature. Stir well to distribute colors and test bag temperature before use. If necessary, heat for another 5 seconds until the desired temperature is reached. The application should not exceed 20 minutes. Wait at least 20 minutes before reapplying. If necessary, repeat the application for another 20 minutes. The recommended heating time in the microwave is given in the leaflet It is also possible to heat the bag in a saucepan with water, please refer to the instructions. Always check the temperature of the pouch before use. Prolonged use may result in injury, including burns Do not use on young children. Do not use in case of circulatory disorders. Do not use heat therapy on stitches or open wounds. Do not fall asleep while using the pouch. Use only under adult supervision. In the case of extreme, prolonged or chronic pain, you should consult a doctor Use only as intended. Heating beyond the suggested time may damage or destroy the bag. The color change of the beads may be less noticeable over time and the number of uses, but this does not affect the performance of the pouch. Do not puncture the sachet or ingest the contents. For external use only. The American Low Value Shipment Regulatory Modernization Act is active since March 2016 and increases the duty and tax free value of goods American citiziens could import from other countries by mail from $200 to $800 as well as no formal customs procedures are required. The American Low Value Shipment Regulatory Modernization Act is active since March 2016 and increases the duty and tax free value of goods American citiziens could import from other countries by mail from $200 to $800 as well as no formal customs procedures are required