As seen in the film / on set:
We’ve also gotten some good shots on the props on display at SDCC 2017, so I’ve been able to ID some of the boxes & the bottle (below the jump):
Most of these are Mon Bento boxes, as are the small, two-tone bottles:
At Mon Bento’s site, you can even order bentos in custom color combinations.
Also seen at SDCC are some different plastic containers:
Some of these are Box Appetit lunch boxes and lunch pots:
The rest of the containers are as yet unidentified.