Karelian Heritage Regular Shungite Crystal Phone Plate Sticker, Natural EMF Protector 2 Pieces Set Natural shungite stone tile from Karelia, Russia; Black stone items for EMF Protection The set includes small non-polished and big polished phone stickers. The stickers shape is rectangular. The small sticker size is 15x25 mm (0.59x0.98 inches); the big sticker size is 30x40 mm (1.18x1.57 inches); Made of polished III type regular shungite. Type III shungite contains up to 50% of carbon. It has deep gray or black color, small pyrite infusions are possible. Shungite stickers are known for being a powerful shield against EMF radiation, geopathic stress and any other forms of negative influence. Manufactured by Karelian Heritage Company and comes in original packaging with a business card