Swiss Shields latest and highest protection EMF shielding fabric, Naturell Ultima is rapidly becoming the weapon of choice for those of us who like to live in the modern world but not suffer the consequences of sleep denigration due to unnatural Electro Magnetic Radiation in our home environment. Ultima is a small improvement on Swiss Shields best-selling Naturell offering between 41db and 20db throughout the modern wireless spectrum shielding EMF from cell towers (mobile phone masts), DECT, smart meters, Wi-Fi, Wi-Max, and much more. It is not conductive, so earthing is not necessary, and Ultima is easily washable compared to its competition. Its off-white color lends well to decorative purposes too making it ideal for High Frequency (HF) radiation shielding bed canopies and window curtains. You can order any length over 1 meter, Ultima comes at a width of 2.5m.