Feature:1. Hot And Cold Therapy: With excellent thermal conductivity and specific thermal properties, the terahertz stone can be quickly heated or cooled for hot and cold therapy, providing a relaxing and soothing effect.2. Promote Circulation: Terahertz contains essential micro elements that promote healthy body and blood circulation, relieve facial tension and rejuvenate tired eyes.3. Comfortable Wearing Experience: Designed with safe surfaces and rounded corners that do not scratch or damage the skin, ergonomically designed to fit your facial contours.4. Portable Design: Stone eye cooling cover is lightweight and compact, this eye cover is easy to carry and store, making it convenient for home, office and travel.5. Terahertz Stone: Constructed with safe and eco friendly terahertz materials, eye cover is a healthy and safe choice for eye care and can be use for a long time.Specification:Item Type: Terahertz Stone Eye CoverMaterial: TerahertzTerahertz Substance:Terahertz contains a variety of trace elements required by the human body, which can strengthen the body. Promote blood circulation and relieve facial tension..Package List:1 xTerahertz Stone Eye Cover