Air travel – cutlery utensils

They are allowed to bring him back to Hong Kong because importing silverware into Hong Kong is not illegal.

There are only four types of items for which taxes or duties are required in Hong Kong:

  • alcohol
  • tobacco
  • Hydrocarbon oil
  • methyl alcohol

For more information, see on this page

You should pack this in yours checked luggage Knives must not be carried in the luggage.