I would definitely prefer fire PROOF materials, to “fire prove” materials. That seems unsafe. 
Hmmmmm. I guess I can see your point. I’ve made the edit.
I’m going to Thailand in February. Will this work?
Description mentions a step-down converter, but the Q&A page linked very clearly says this device does NOT convert voltage from 220 to 110.
Can you please confirm either way? Certainly don’t want to think it deals with the voltage and find out it doesn’t when my phone melts down…