U.S. Customs and Border Protection in Cincinnati discovered more than 21 pounds of cocaine hidden in a shipment of women’s boots, officials said Wednesday.

Officers made the discovery last Friday at an express consignment facility while searching incoming freight from Bogota, Colombia, CBP said in a press release.

Officers discovered black bags of cocaine hidden inside women's shoes.  (U.S. Customs and Border Protection)

CBP said narcotics detector dog “Betty” alerted officers to a particular freight shipment. After x-raying the package, officers found women's boots with what appeared to be “unusually thick” arch supports, CBP said.

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A closer examination revealed rectangular black packages hidden inside compartments beneath the arches. The black packages contained a white powder that tested positive for cocaine.

Investigators determined the shipment was destined to an individual in Haverstraw, a small town located in Rockland County, New York.

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It was not clear if any arrests have been made in connection with the discovery.