Reduce High Frequency Radiation with Our Naturell Dome Canopy (Twin XL 80" x 39") Protect your home from the invasion of high frequency Made from Stylish Swiss Shield Naturell Fabric which protects against 99.9% of cell phone radiation at 1.9 GHz Offers peace of mind for you and your family Shields from high frequency from wi-fi, cell towers, DECT (cordless landlines), smart meters and other wireless devices Many customers have testified to health improvements after using our canopies