As per the instructions make sure the transparent side is facing upwards and nothing is sitting on top of it.
Skooba Design Checkthrough Bag (3)
Here's the bag all closed up.
Skooba Design Checkthrough Bag (4)
The Skooba Checkthrough bag has plenty of space for extra gadgets, your chargers, your cords, your camera, GPS, phone, whatever else is needed for your trip in the main compartment. There are two smaller zippered compartments in front as well as a larger zippered compartment for quick access to your cell phone or your wallet with ID.
With a Skooba Design Checkthrough laptop bag you can just ignore these advisories and enjoy your trip.
Skooba Design Checkthrough Bag (1)
Here's the bag opened, exposing the laptop compartment with the transparent window.