Mars bars and Snickers are being called back over fears the sweet treats may be contaminated in Britain, Germany, France, Italy, Spain and other nations.
Roel Govers, spokesman for Mars in the Netherlands told the AP News Agency the notice has been issued in 55 countries.
Other products affected include Milky Way Minis and Miniatures and certain kinds of boxes of Celebrations.
The products involved have best before dates from 19 June 2016 to 8 January 2017.
The US company has not said how many bars are affected or how much it will cost it.
A full list of products affected can be found on the company”s website, www.mars.de, but that address appeared not to be responding on Tuesday afternoon.
The company said in a statement: “With this recall, we would like to prevent consumers who have purchased one of the above-mentioned products from consuming it.”
The Dutch food safety authority posted what it said was a Mars press release on its website, saying a piece of plastic had been found in a product that could lead to choking.
It listed affected products as: Mars, Milky Way, Snickers, Celebrations, and Mini Mix.