Since September 2004, the 2000-peso note has been issued only as a polymer banknote; the 5000-peso note began emission in polymer in September 2009; and the 1000-peso note was switched to polymer in May, 2011. This was the first time in Chilean history that a new family of banknotes was put into circulation for other cause than the effects of inflation. , only the 10,000 and 20,000 peso notes are still printed on cotton paper. All new notes have the same height, while their length varies in steps according to their face values: the shortest is the 1000-peso note and the longest is the 20,000-pesos. The new notes are substantially more difficult to falsify because of new security measures.
Since September 2004, the 2000-peso note has been issued only as a polymer banknote; the 5000-peso note began emission in polymer in September 2009; and the 1000-peso note was switched to polymer in May 2011. This was the first time in Chilean history that a new family of banknotes was put into circulation for other cause than the effects of inflation.  only the 10,000 and 20,000 peso notes are still printed on cotton paper. All new notes have the same height, while their length varies in steps according to their face values: the shortest is the 1000-peso note and the longest is the 20,000-pesos. The new notes are substantially more difficult to falsify because of new security measures.