TheraPearl eye mask is made of beads to support cold or heat treatment and efficiently relieve pain. TheraPearl technology offers flexibility and malleability, allowing for a perfect fit to the eyes. This compress is non-toxic and reusable, ideal for relieving dry eyes, headaches, sinus problems or puffy eyes. Contains a mask measuring 22.9 cm x 7 cm. Cold therapy: Place in the freezer for at least 2 hours. Heat Therapy: Microwave according to directions on package insert. The application should not exceed 20 minutes. 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