advertising gift
limited item of value offered to current or potential customers, for the purpose of promoting a product or service as part of an advertising campaign
en-US/ˈædvɚˌtaɪzɪŋ ˈɡɪft/
en-GB/ˈædvətaɪzɪŋ ˈɡɪft/
limited item of value offered to current or potential customers, for the purpose of promoting a product or service as part of an advertising campaign