Why is webcam cover slide? 1. Not like a small tiny size webcam cover slide in low quality, our privacy cover is bigger with wider opening aperture, not only better for the view angle; but also nhance connectivity and adhesion, because the larger the connecting area, the stronger the adhesion. 2. A larger aperture size of 0.9” x 0.3” makes this weabcam cover suitable for Laptop, Desktop, PC, Macboook Pro, iMac & Computer. Not recommended for mobile devices(such as on smartphones). 3. Ultra-thin/ Super thin design,perfect curve edges, which means it can be perfectly combine with your devices.Webcam Cover is only 0.03 inches thick and does not feel its existence when the laptop lid is closed. 4. Made from premium ABS plastic, it is amazingly durable,and the strong 3M tape provides durable and reliable connection between your devices and webcam cover, the adhesive be removed from the device without any traces. How to Install: 1. Clean the surface of your devices; 2. Remove the back 3M tape; 3. Align hole on the cover over camera lens CAREFULLY; 4. Press firmly and hold for 5 seconds; 5. Slide the cover to open or close the camera.