This is a must have. It is different then all the other products on this website. This product is filled with crystals in faraday bag. It repels and grounds EMF. The more bags in your home the better. We recommend putting at least three (3) bags on your bathroom tile floor. You can hide them under a cabinet. We recommend putting one under your bed and having one in a bag where ever you go. The closer this Grounding Bag is to your body, the better your health. It lets off a negative ion charge to heal. It complements all our other products.