According to the Star-K, First Class and Business Class meals are double wrapped in real chinaware and sealed with kosher certification tape. They are then sent to the airline food service ...
Does glass need tevilas keilim? And if so, does one make a Bracha?
People get these nice Israeli silver gifts like kiddush cups or fountains -- do they need to be dunked in the mikva?
If no food touches it, does it need to be toveled (immersed in mikvah)?