Provides Protection Against Hackers Potentially Spying on You, as Well as Preventing Scratches on the Camera. Once Aligned Over the Webcam, It Needs to be Pressed Firmly for a Few Seconds for a Strong Seal. Then the Camera Can be Blocked & Unblocked by Sliding the Flap to the Side. Due to Its Slim Design It Does Not Prevent Laptops From Closing Perfectly. Compatible with Most Electronic Devices with Camera. Minimum Quantity: 500