【Privacy protector】: Protect your security and privacy, prevent webcam spying, simply place your finger on the disc and slide your finger to hide and unhide the web camera | 【Ultra Thin】: measuring only 0.027in (0.7mm) thick, It does not prevent laptops from closing perfectly. Its surface adopts special coating process, makes it even more comfortable | 【Easy to use】: simply align to your webcam, attach and press firmly for 10 - 15 seconds for a strong, but non-permanent seal | 【Fits on most devices】: can be used to cover most webcams on smartphones, Mac, MacBook, MacBook Pro, laptops, tablets. Does not interfere with webcam use or indicator light | 【100% Satisfaction guaranty】: If you aren't completely satisfied with your purchase, just contact us and we'll refund you