Features: -- Protect you and your family with EMF radiation stickers: Reduce radiation with up to 99% of radiation shield stickers to create a safe and healthy environment for you and your family. -- Suitable range: mobile phones, digital cameras, camcorders, notebook computers and various household appliances using lithium-ion rechargeable batteries. Easy to use: You can easily paste EMR stickers on the back of your phone and other electronic devices. You can put it on your phone and any other electronic device. It is a portable EMF protection device that you can carry with you. -- Working principle: The electromagnetic frequency (EMF) and electromagnetic radiation (EMR) emitted by electronic devices are harmful to our nerve cells. When a positive ion is present, our magnetic anion quantum shield neutralizes the positive ion (EMF / EMR), effectively negates and neutralizes EMF and EMR. Specifications: Product Name: Radiation Protection Stickers Material: PET self-adhesive functional film Optional Color: Gold / White Thickness: about 2~6mm/0.08-0.24in Patch size: approx. 49*33mm/1.93*1.3in Qty: 1PC / 5PCS / 10PCS Package Included: 1/5/10 Pcs EMR Radiation Protection Stickers Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. 2. Please allow 1-3cm measuring deviation due to manual measurement.( 1 inch = 2.54 cm )