Radia Smart EMF PROTECTION BASEBALL CAP | WIRELESS RADIATION PROTECTION, RF BLOCKING, WIFI, BLUETOOTH, CELL PHONE, 5G ANTI-RADIATION Made with Radia Smart® custom silver shielding fabric which blocks up to 99% of EMF radiation. ✔ Independent lab tested in the USA ✔ Over 1100 5-star reviews collectively ✔ Support long-term health & wellbeing The premium quality cotton is lined with RF shielding fabric edge to edge. The cap is designed for women and men who want protection from electromagnetic radiation. 1. EMF HAT SHIELD FOR WOMEN AND MEN. Radia Smart Shielding Hat blocks radiation from cell phones, WIFI, Bluetooth, 5G, and laptops 99.9% effectiveness. It is tested by an accredited lab. Protect you and minimize your EMF exposure. 2. COVER AND PROTECT YOUR HEAD. Radia Smart shielding hood is well designed to protect your head from radio frequency (microwave/wireless) radiation from WIFI routers, cell towers, and mobile and cordless phones. Reduce your concerns about wireless radiation from cell phones, WIFI, laptops, Bluetooth, and 5G. The hood provides RF Shielding with edge-to-edge protection underneath the cotton polyester. 3. HIGH EFFICIENCY. Efficiency: 99.9% Shielding Effectiveness (~50dB) up to 18 GHz. Tested by an accredited lab. 4. ONE SIZE. This unisex hat features an adjustable strap and is designed to fit small to medium size heads ( 20 to 22-inch circumference). Not suitable for size L or greater The Radia Smart Product Shields: Fifth Generation Wireless ( RF Radiation) Cellular Radiation (RF Radiation) WiFi Radiation (RF Radiation) Bluetooth Radiation (RF Radiation) Best for the whole family: travel, sleeping, pregnancy protection, baby/child protection, working Material Outer layer: 100% cotton ; Inner layer: radiation shielding fabric Washing Instruction: wash in cold water, use gentle (phosphate-free detergent), don't bleach, don't dry-clean, don't tumble dry. If washed according to these directions and kept free of mechanical and chemical stress, the fabric should retains its shielding effectiveness indefinitely.