LambsHAVN EMF-Proof Cap - Wavestopper™ Silver Tech - Blocks 99% of EMF from WiFi, 5G, Phones, Bluetooth - Faraday Hat, Soft, Breathable, Adjustable - Black, Unisex Design for All-Day Comfort.

Lambs HAVN EMF-Proof Cap - Wavestopper™ Silver Tech - Blocks 99% of EMF from WiFi, 5G, Phones, Bluetooth - Faraday Hat, Soft, Breathable, Adjustable - Black, Unisex Design for All-Day Comfort.

Aegis Apparel Faraday Hat, Silver Lining Fabric Blocks 99% of Wi Fi, Bluetooth, Cell Towers E M F Protection

Golden Kocoon® - E-M-F Organic Cotton & Bamboo Viscose Slouch Beanie with EcoShield™ Tech Bamboo Lyocell Faraday Fabric Silver Liner - Adult Size Hat in Black - 5 g, BT, Smart Meter & WiFi Cocoon Cap