1. Black carbon layer radiation protection conductive cloth / isolation water / insulation oil / corrosion prevention high shielding cloth, made of 20% copper / nickel and 80% polyester fiber. 2. The cell phone signal is blocked, the EMI radiation is reduced, and the wireless instrument is shielded. Especially in multi-family homes, Wifi radiation flows from all directions. 3. Size: 39.37 * 42.52 IN, you can use it to make curtain box wall decoration and so on. Block and reduce Wifi / cell phone and RF signals - Separate electromagnetic fields and waves to provide health protection for your life. 4. High performance conductive fabric, which can be laid under the tile, wood floor or laminate for EMF protection. 5. Note: Easy to cut and sew. Not suitable for long-term direct contact with the skin
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