【Metal Base&Magnetic Slider&3M Adhesive】Our webcam cover slide is made of Nickel plated metal base and magnetic slider, sleek and sturdy. 3M adhesive ensures its staying put on different flat surfaces and glasses. 【Ultra Thin&Fit on Most Devices】ONLY 0.022in THIN, thinner than credit card, never prevents laptops from closing. Compatible with most Laptops,Macbook,Macbook Pro,Smartphone,Tablets,Echo Spot,Echo Show and All-in-one desktops, protecting your personal privacy from everywhere. 【Easy to Install and Use】You can easily tear off the back sticker,then attach it to your webcam,press it firmly in place and hold for about 12 seconds for a strong but non-permanent seal.Simply place your finger on the magnetic slider and slide to cover or uncover your webcam. 【Necessary for You】Cover your webcam when not in use,and prevent web hackers from Spying on your life. It is perfect and convenient to provide privacy security and peace of mind to individuals,families,groups,companies,organizations and governments. 【CUSTOMER SERVICE】If there are any problems within 12 months, please just contact us 7*24 customer service, and we will reply you in 12 hours.