SURFACE RESISTANCE: Surface resistance is less than 0.05Ω and shielding performance ranges from 70 to 90dB with a high blocking rate. Size: 39 "x44" inches (100x110 cm). Each piece is 44" wide and 39" long. If you are ordering more than 1 piece and need consecutive lengths, please indicate this in the seller's notes, otherwise we will ship each piece at 39 "x44" inches. VERSATILE USE: This signal shielding fabric can be used in many products. Such as maternity wear, suits, curtains, blankets, bags, mobile phone cases or laptop and mainframe chassis covers, and is widely used to make RFID anti-theft wallets, card cases, outdoor fanny packs, passport holders and more. The shielding performance is optimal when the item is completely wrapped. BETTER PROTECTION OF OUR SECURITY: Nowadays, high technology is changing day by day and hacking technology is getting more and more developed. If we don't protect our electronic devices, our private information can be stolen by others without our knowledge and our success can easily disappear. Why not give it a try? High-quality, high-performance fabric protection, which is well-deserved, is good for us, no matter how little protection there is. Radiation resistant fabric has good extensibility, resistance to compression, corrosion, and a smooth texture.