This is the USB/HDMI Cover for the .

Protect or hide your USB or HDMI ports thanks to this clip shut cover. Featuring snap out panel for power or network cable whilst protecting your other ports. Once the cover is snapped in to position, it can only be removed by opening the case and unclipping from the inside adding an extra layer of security to protect nano WiFi/USB dongles, or prevent anything being plugged in to your Raspberry Pi.