Right there on the end of the box is a tab to lock the roll in place. How long has this little locking tab been there? I then looked at a generic brand of aluminum foil and it had one, too.

If you use aluminum ... side that you put in contact with the food, though. Be sure to read the directions. The side of the foil you use doesn't matter, but make sure you are using the foil box ...

Stowing rolls of aluminum foil ... of-access or on the side of the fridge to keep them out of sight. When a roll runs out, simply place a new one into the magnetized box. Read the original ...