this is designed to your privacy behind the laptop. When the webcam is not in use just to prevent web hackers from spying on you and your family, providing privacy, security and peace of mind to individuals, groups or any organisations.Measuring only 0.03inches in thickness which will not interfere with closing your laptop lid. When you slide the open there is an orange/red "C" reminding of the open status of webcam, avoids forgetting to the webcam after you used it. edges, it adheres with strong double sided tape for sticking on different devices, meanwhile can be applied and removed from the device without any traces.BROAD COMPATIBILITY - Widely compatible with laptop, computer, , smart phone, surface, tablet, , , Smart TV and more. It comes with 6 packs including 3 white and 3 black, completely meet your everyday need.This can be opened or closed with just one simple finger movement. It does not interfere with web use or indicator light, and 't damage your device in any way.colour:black & White & RedMaterial:ABSsize:18.5*9*0.7mmPackage Contents:3 * white caps3 * black covers