EASY TO USE - the stickers can be applied on phones, laptops, tablets, PC, TV and other small electronic devices. Just place a sticker on your the back of your phone or on the surface of your electronic device.<br>EFFECTIVENESS - Each sticker can safely from EMF/EMR produced by phones, laptop safe, tablets, PC, TV and other small electronic devices.<br>WHAT IT DOES - Regular eletronic devices normally emit EMF (eletromagnetic frequencies) and EMR (electromagnetic radiation), which can be harmful to humans. cell phone protector sticker uses a magnetic negative ions technology, which absorbs and neutrilizes ions that are in EMF/EMR.<br>Slim size: The thin and light body is not enough to make the phone heavy, and the new ultra-thin design allows you to put it on the phone or any other electronic device. You can take it with you<br> you and your from radiation.<br>Type:EMF Protection Sticker<br>colour:Silver<br>Material:silicone<br>size:Diameter 28mm<br>Package Contents:<br>20 x Sticker<br>Only the above package content, other are not included.<br>Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.