I feel like the clothes are more 1940s than 1920s here.

For comparison: https://rememberedsummers.wordpress.com/tag/grocery-shopping-1920s/

https://fineartamerica.com/featured/1920s-usa-ap-magazine-advert-the-advertising-archives.html

Cans of malt syrup had similar “warnings” on them. Just trying to keep consumers safe.

Whoopsie doodle.