Thank you for viewing. This is an electromagnetic wave protection maternity belt. I used it during my pregnancy because I was using an IH cooker. I am selling it now that my baby has been born. Size: M/L, Abdominal circumference 75-95 cm Made in Japan for peace of mind. Protects you from electromagnetic waves 360°. Made of stretch material for easy movement, and also has antibacterial and deodorant effects. Thin and lightweight, so it won't show under your outerwear. 5G compatible For those who want to reduce the risks and anxieties caused by electromagnetic wave exposure. Six reasons to choose this product: 1. High shielding rate against 360° electromagnetic waves (electric fields) 2. Simply "wear it" 3. Lasting effect 4. Safe and reliable materials 5. Lightweight & compact (body approx. 30g) 6. Made in Japan using patented fabric and produced domestically ■Materials: Main body: 63% nylon, 28% nylon (silver coating), 9% polyurethane Elastic part: 29.5% nylon, 70.5% polyurethane ■Brand: joliedol ■Made in Japan