Duty free & travel retail is a global industry that encompasses the sale of goods to international travellers. Duty free shops are exempt from the payment of certain local or national taxes and duties, normally with the requirement that the goods are only sold to travellers who will take them out of the country. Products that can be sold duty free vary by jurisdiction and different rules based on duty calculations, allowance restrictions and other factors.

Airports represent the majority of such sales globally but duty free & travel retail is also available at border shops (under certain conditions, usually requiring the purchaser to spend a minimum amount of time outside the country), cruise & ferry shops on vessels in international waters, onboard aircraft during international flights, at some international railway stations and for the provisioning of ships sailing in international waters. It can also include downtown stores where proof of travel is required to purchase.

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