Visiomed Kinecare Thermal Pillow Eye Mask is a thermal pillow containing microspheres of Kincare gel, which allows cold or hot thermotherapy to relieve the pains of everyday life :Cold thermotherapy : to relieve sinusitis, headaches, eyelid edema (swollen eyes), Contact eczema or after eyelid surgery (to be used as recommended by your surgeon). Hot thermotherapy : help relieve dry eyes, rosacea, nasal congestion. Its effectiveness is reinforced and prolonged by an ultra-flexible system that allows a homogeneous distribution of the micro-gel spheres. The velvety surface of the product provides extra comfort and limits the risk of burns or tears. Mask size : 20.5 x 11 x 0.2 cm. Read instructions before use. Pinch the pillow before heating to evenly distribute the temperature. Heat Up Time - 700 watts: 15 seconds + 5 seconds Heat Up Time - 1000 watts: 10 seconds + 5 seconds Freeze Time: 2 hours minimum. Indication: Pain relief: relieve, soothe, strengthen, relax.