Revenue’s sniffer dog Bailey discovered drugs worth €108,000 which were destined for five counties including Laois.
The seizure was made on Wednesday at the Dublin Mail Centre.
Herbal cannabis, cannabis oil and cannabis edibles were among 21 packages that were seized.
These were destined for Dublin, Laois, Galway, Kerry and Sligo.
Revenue said: “As a result of routine operations and with the assistance of detector dog Bailey, Revenue officers at Dublin Mail Centre seized over 5.3kgs of herbal cannabis, almost 270grams of cannabis oil and butane honey oil and 450grams of cannabis edibles with a combined estimated value of over €108,000.
“The illegal drugs were discovered in 21 separate parcels that originated in the USA, the United Kingdom and Spain.
“These parcels were declared as items such as ‘pillows’, ‘sports shoes’, ‘custom stationary’ and ‘wine tubs’ and were destined for delivery in Dublin, Laois, Galway, Kerry and Sligo.
“Investigations are ongoing.
“These seizures are part of Revenue’s ongoing operations targeting the importation of illegal drugs.
“If businesses or members of the public have any information regarding smuggling, they can contact Revenue in confidence on Confidential Phone Number 1800 295 295.”