The officers discovered the presence of the narcotics using a sniffer dog after the sacks were opened at the Moyale Directorate of Criminal Investigations office.
According to detectives, the country has toughened its narcotics laws to intensify the fight against drug trafficking.
Detectives emphasized the seriousness of the fight against drug trafficking and called on all individuals engaged in illegal activities to surrender
The drugs were being transported through courier services.
The regional commissioner issued a stern warning to security officers engaged in running bars and second-generation liquor businesses.
66 bales of bhang estimated at a street value of Sh5.9 million were confiscated and have since been secured as exhibits.
This comes barely a month after the Isiolo Governor expressed concern about increased cases of drug and substance abuse among the youth in Isiolo town.