20PCS EMF Protection Sticker Anti Radiation Cell Phone Sticker emf protection Protection 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 of your electronic device.EFFECTIVENESS - Each sticker can safely shield from EMF/EMR produced by phones, laptop safe, tablets, PC, TV and other small electronic devices.WHAT IT DOES - Regular eletronic devices normally emit EMF (eletromagnetic frequencies) and EMR (electromagnetic radiation), which can be harmful to humans. Our cell phone protector sticker shield uses a magnetic negative ions technology, which absorbs and neutrilizes ions that are present in EMF/EMR.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! Protect you and your family from radiation. 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 of your electronic device. EFFECTIVENESS - Each sticker can safely shield from EMF/EMR produced by phones, laptop safe, tablets, PC, TV and other small electronic devices. WHAT IT DOES - Regular eletronic devices normally emit EMF (eletromagnetic frequencies) and EMR (electromagnetic radiation), which can be harmful to humans. Our cell phone protector sticker shield uses a magnetic negative ions technology, which absorbs and neutrilizes ions that are present in EMF/EMR. 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! Protect you and your family from radiation. Type:EMF Protection Sticker colour:Silver Material:silicone size:Diameter 28mm Package Contents: 20 x Sticker Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.