Specifications:Item Type: iPad, Laptop, Cell Phone StickersMaterial: 24 carat gold plating & anionSize: diameter: 26mmOptional color: goldShape: roundQuantity: 10 pcsDelivery content:1 x phone sticker (phone NOT included) Effectively reduce EMFs: these radiation protection stickers can effectively reduce large amount of radiation exposure from many electronic devices, absorbs EMF and counteracts harmful effects of EMF radiation generated by various electronic devices, providing comprehensive protection to you and your family How it works: these radiation protection cell phone stickers are made of radiation protection film and negative ion film, releasing negative Ions that neutralizes positive ions produced by various electronic devices to protect our health from EMF radiation, practical accessory in our life Good adhesion: these anti radiation protector stickers are self-adhesive, easily stick to multiple smooth and clean surfaces, like metal, wood, glass, plastic and so on, easy to paste and remove without leaving obvious residue, good adhesion can serve you long term Applicable occasions: these EMF blockers are widely applied in your daily life, can be pasted to smart phone, computer, laptop, air conditioner, refrigerator, microwave oven, printer, washing machine and other electronic devices, easily transforms radiations into other harmless forms without blocking signals