The teller inside the bank opened the tube and discovered cash, checks and folded piece of paper. The teller unfolded the paper and discovered a small blue plastic baggie filled with a crystal-like white substance.
The worker contacted a manager and the baggie was locked in a desk drawer until deputies arrived to investigate.
The substance inside the baggie, which weighed in at .91 grams, tested positive for methamphetamine, the sheriff's office said.
Kent was arrested and booked into the Wichita County Jail on a charge of possession of a controlled substance. He was ordered held in lieu of $5,000 bail.
An 18-year-old Bremerton, Wash., woman made a similar error when she accidentally included a bag of meth in an envelope she used to make an ATM deposit. Police said a teller discovered the meth and contacted investigators, who determined the substance tested positive for meth.