DIY Swiss Shield® Naturell Silver Organic Cotton Fabric Earthing Pillowcase 660:850nm=1:2

660:850nm=1:2

The colour is very light grey

Shielding effectiveness depends on frequency

We add a copper rivet

DIY Swiss Shield® Naturell Silver Organic Cotton Fabric Earthing Pillowcase 660:850nm=1:2Swiss Shield Naturell is a premium organic cotton shielding fabric designed to help reduce exposure to high frequency radio frequency (RF) radiation from wireless technologies such as Wi Fi, Bluetooth, cellular signals, cordless phones, and smart meters. This soft, breathable fabric is woven with ultra fine silver coated threads to provide effective RF attenuation while maintaining a natural look and feel suitable for home, office, and DIY shielding