These Safety 1st Socket Covers with Key provide peace of mind for parents with young children. The pack includes 12 socket covers with accompanying keys for added safety. The covers are easily installed and removed with the key and help prevent children from inserting objects into electrical outlets. They are made from durable plastic and are designed to fit standard UK sockets. To install, simply push the cover into the socket. To remove it, use the key to unlock it before pulling it out. They're easy to use and come in a convenient pack that's perfect for storing in any cupboard or drawer.