Powerful Faraday Blanket with Faraday defense blocks 99% of harmful EMF radiation, providing effective protection from RF exposure. EMF protection where you need it most - Made with premium Faraday cloth to deliver reliable EMF protection for laptops and cell phones. Convenient size and portable design - 18x18 inch blanket; portable and compact for home or work use. - Easy to place on a desk, across your lap, or over a device without getting in the way. Compatibility and device performance - EMF shield does not interfere with the normal functioning of electronic devices; use your devices with confidence. Materials and performance - Premium Faraday cloth provides dependable EMF blocking in a compact form factor. Use scenarios - At your desk: place the blanket over your laptop during work to reduce EMF exposure. - Relaxing at home: use with a smartphone or tablet on the couch or bed without sacrificing comfort. - On the go: carry and use in public spaces such as cafes or airports to minimize exposure from nearby devices and networks.