A 38-year-old woman was busted crossing into the U.S. from Mexico on Tuesday with nearly $40,000 of heroin stuffed into her bra and a a maxi pad.

Customs and Border Protection officers at the Mariposa pedestrian crossing in Arizona arrested Elaine Espinoza, a Tuscon resident, on Tuesday afternoon after discovering nearly three pounds of heroin, worth more than $39,000, hidden within her clothing.

Officers questioned then conducted a physical search of Espinosa and discovered two packages of heroin within her bra and a third package disguised as a sanitary napkin in her groin area.

The drugs were seized and Espinosa was detained.