折おり込こみ

noun

insert; foldout; insertion

Refers to a leaflet, advertisement, or supplement inserted into a newspaper or magazine, often folded. Common in publishing and direct mail contexts.

• 今朝けさの新しん聞ぶんに折おり込こみ広こう告こくが入はいっていた。

  There was an insert advertisement in this morning's newspaper.

• 折おり込こみチラシのデザインを担たん当とうしています。

  I'm in charge of designing the insert flyers.