Who Need This Cell Phone Protection Sticker? In today's modern world, cell phone protection stickers have become increasingly important for many individuals. However, certain groups of people may find them particularly beneficial. 1.The people uses electronic products frequently; 2.The workers often use electronic devices like computer, Kindle, Air conditioner, Tablet PC, and office automation equipment. 3.The Housewife, they need to use refrigerator, Microwave Oven, Printer, Washing machine, and household appliances. How to Install the Sticker? 1.Tear off the back of the sticker; 2.Stick it to any electronic devices you like; 3.Some devices may require 2, 3, or more stickers, such as PC, Macbook, laptop, etc. You can decide it yourself. Tips:Manual measurement, please allow a slight dimensional error of the item.Due to different screen displays, the actual colors may be slightly different. Note: This product is not intended for medical use.