Shipping: Worldwide. For swatch samples or shipping inquiries, feel free to reach out. Important: Avoid cutting the inner package or goods with a knife or scissors when opening the parcel. Nickel can cause allergies, so avoid prolonged direct contact. Test: Wrap your phone tightly and wait. Call it from another phone. Signal will weaken or disappear. Use a detector to measure readings in V/m and uW/cm2 for low or high frequency models. Sometimes, fabric needs to be grounded for accurate testing. -------- FEATURES:------- Astonishingly low surface resistance, measuring below 0, ensures optimal conductivity and efficient flow of electric current. This exceptional feature guarantees seamless performance and eliminates any hindrance caused by resistance, enabling smooth and uninterrupted operation. With such an impressively low surface resistance, our product surpasses industry standards, providing unparalleled conductivity and enhancing overall functionality. Experience the power of conductivity like never before with our groundbreaking technology.