The Mega 5-Piece NX3 Kit is designed to protect your devices from outside influences and you from your devices’ EMF output. These bags are suitable for shielding all types of devices, including: solar panels, laptops, tablets, radios, cell phones, key fobs, credit cards, small hard drives and USB drives. The NX3 bag has three layers of CYBER NC (Nickel/Copper) fabric and is tested and proven to be effective with 85-90dB attenuation. It is a favorite among both law enforcement for evidence security, as well as retail customers for personal security. The Mega 5-Piece NX3 kit includes 1 Super Mega Bag, 1 Mega Bag, 1 Laptop Bag, 1 Tablet Bag, and 1 Phone Bag.