He was politely sent up the river — for life.

A White Plains federal judge sentenced notorious “polite bandit” Karriem Barrow to 16 life sentences Wednesday for pulling off armed robberies at seven suburban banks and a Bronx Chinese restaurant during a wild two-month crime spree in 2010.

Barrow, 42, and an accomplice, Carl Farrington, 35, were dubbed “the polite bandits” because they would routinely thank their victims and say goodbye after pulling off each job, according to The Journal News.

Farrington copped a plea and became the feds’ star witness during a nine-day trial in 2011 in which Barrow was convicted on 18 counts related to the heists.

Judge Kenneth Karas sentenced him to 16 life sentences because Barrow had two previous armed-robbery convictions.