2025 Latest Product "Electromagnetic Wave Protection Aluminum Cap"! This product protects your body from harmful electromagnetic waves, 5G, and thought eavesdropping. We recommend indoor use, but you can also wear it outdoors and put a hat over it to feel the effects! The size is 28cm in diameter, but it's foldable, making it easy to carry discreetly. It has elastic with rubber, so it can be used by a wide range of people, from children to seniors. ● If you would like multiple pieces, please consult us in the comments. ● In the present day, surrounded by home appliances, smartphones, Wi-Fi signals, and 5G, we recommend some kind of protection. Good quality sleep not only helps the body recover but also affects detoxification. ⚠️ Please understand that individual results may vary. Some people may feel the effects immediately after wearing the product, while others may feel the effects after 3-4 days.