Ground your entire body while you sleep. This helps disperse the build-up of positive ions in the body for better sleep, blood flow and healing. Made from cotton with a highly conductive fine silver thread, making it anti-bacterial and anti-static. How to Use: - Place the flat sheet on top of your mattress - Connect the provided cable to the flat sheet - Plug the cable into the wall (Choose the correct adapter for your country) NOTE: You can place the flat sheet under your own flat sheet or on top, it won't affect the grounding.