swag bag
/ˈswaɡ baɡ/noun
1A bag used to carry stolen goods or loot.
2A bag containing free gifts, typically given away to people attending an event, frequently for promotional purposes.
3 Australian and NZ. A bag designed to be carried as a swag.
4 US. A large travel bag with several compartments and pockets. Now rare.
Origin
Mid 19th century; earliest use found in The Times. From swag + bag.