Formal:
* No food allowed in this area.
* Food is not permitted in this area.
Informal:
* No food here.
* Food prohibited in this area.
Visual:
* 🚫 Food
You can also use a combination of these, depending on the context and desired tone.
Formal:
* No food allowed in this area.
* Food is not permitted in this area.
Informal:
* No food here.
* Food prohibited in this area.
Visual:
* 🚫 Food
You can also use a combination of these, depending on the context and desired tone.