100% Brand New High Quality1. Reduce EMF: This sticker absorbs EMF and counteracts the harmful effects of EMF/EMR radiation from electronic devices, using radiation shield stickers can reduce radiation by up to 99%.2. Working principle: The anti-radiation sticker is composed of anti-radiation film and negative ion film, which releases negative ions to neutralize the positive ions generated by electronic equipment, and protects our health from electromagnetic field radiation.3. Widely used: This radiation shielding sticker can be used as EMR protector for tablet, mobile phone, kindle, computer, air conditioner, refrigerator, microwave oven, printer, washing machine, etc. It converts radiation into other harmless forms without blocking the signal4. Easy to use: You can easily stick the EMR sticker to the back of your phone and other electronic devices. EMF radiation shielding will not degradeThe service life is very long, no need to replace it every year, and it will serve you for a long time.5. Slim size: thin and light, won't make the phone heavy, stickers avoid the phone's back too big when it's placed on the table, you can carry it with youProtect you and your family from radiation.Packing list: 10* radiation protection stickersnotes:1. Due to different displays and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.2. Due to manual measurement, please allow 1-3cm error. (1 inch = 2.54 cm)thank you for your support :)