McDonald's has designed a brilliant new takeout bag that turns into a tray. 

The BagTray was developed by McDonald's Hungary and the ad agency DDB Budapest, Gizmodo reports. 

Pulling a strip of paper near the bottom of the bag detaches the tray, which is made from reinforced cardboard. 

The tray acts as a plate, making it a lot easier to eat food on the go. 

We reached out to McDonald's to see whether the trays would be available in the US. 

Here's a video showing how it works: