Amerthing Upgraded Yoga Fitness For Earth Grounding Universal Mat With Grounding Cord And Rod Eco-Friendly Tpe Anti-Skid-Therapy Potential Emf And Esd Protection 71X24 InchA safe, effective way to tap into the EarthAs energy, while in your home, office, gym, or the yoga studio. Just access an electrical outlet. Perfect for any type of barefoot phys..