PREVENTS WEBCAM SPYING: Stops hackers and software from using your camera to spy and record you. Our Privacy Stickers ensure that hackers will only be able to see pure black on any device. It's so effective that it's widely adopted by tech professionals such as Mark Zuckerburg. | REMOVABLE/REUSABLE: Our stickers have specially designed adhesive, which means they won't wore out after a few uses. Remove and place as much as you'd like without worrying about leaving sticky residue behind. It's such an easy solution to block unauthorized web camera footage. | SAFE FOR ALL DEVICES: Can be used on multiple devices such as smartphones, laptops, and tablets. Stickers come in multiple sizes to ensure you're properly covered. Dimensions are as listed: Extra small (.2 x .2in, .5 x .5cm), Small (.3 x.3in, .75 x .75cm), Medium (.4 x .4in, 1 x 1cm.) | EASY TO USE: Comes with 1 Sheet of 24 premium stickers. To use, gently peel sticker that best fits your device and cover the camera. So simply and yet very effective against hackers who try to illegally spy on you. To remove, simply peel off the sticker and attach once again when you're finished video chatting. | SATISFACTION GUARANTEED: Our technology isn't the thing that gives you a peace of mind. Our customer service team is here to assist and ensure that all your questions and concerns are answered, whether it's in regards to a specific product or your order. Don't hesitate to contact us. We're here to help!