Dr. Mercola Earthing Universal Mat Your body is controlled and enabled by electrical signals running through your body, allowing your cells to communicate with one another. Electrical fields are essential for many systemic and physiological processes within your body. The Earth is a natural (and from your body&#039;s perspective, essentially infinite) source of electrons. When you walk barefoot on the Earth, there&#039;s a transfer of free electrons from the Earth into your body that spread throughout your tissues. The effect is sufficient to maintain your body at the same negatively-charged electrical potential as the Earth, and to connect you to the natural energy that flows from the Earth. <span class="a-text-bold">Large mat size</span> (10&#034; x 27&#034;, 25 cm x 69 cm) provides flexibility of use for your desktop, floor, and bed. <span class="a-text-bold">Flexible material</span>, for use in almost any indoor location... where you work, sit, relax, rest, and even sleep. <span class="a-text-bold">Adequate cord length</span> (15 feet, 4.57 m) makes it long enough to provide location flexibility. <span class="a-text-bold">Outlet checker included</span>, to offer you a quick visual recognition of whether the outlet youre using is properly grounded. <span class="a-text-bold">Snap-on mat connector</span> provides a simple connection to the grounding mat - no need to mess with alligator clips! <span class="a-text-bold">Easy to clean</span> - Just use simple mild soap and water for the mat, and the cover can be machine washed as needed.