Police arrested one Malaysian and one Bangladeshi national at the Tribhuvan International Airport, Kathmandu, on Wednesday when they were trying to fly to Bangkok with smuggled materials.
The two were nabbed along with an ancient idol and some urns made of gold, which they had hidden inside their luggage, the state-run Radio Nepal said.
The arrested foreigners, whose names were not revealed, have been handed over, along with the seized materials, to the Customs Office for necessary action.
Meanwhile, security officials deployed at Nala Check-point of Bhaktapur District on the Arniko Highway have seized 28 sacks full of herbs being smuggled into Kathmandu, Radio Nepal reported.
The security forces also arrested 12 persons involved in the smuggling.