message card; card with a written message
A card, often attached to a gift or bouquet, on which a personal message is written. Wasei-eigo; the English equivalent is usually 'gift card' or simply 'card'.
wasei-eigo (Japanese-coined English), from message card
I attached a message card to the bouquet.
Please include a small message card with the present.
Variant with interpunct; less common in everyday use.
Wasei-eigo from English 'message' and 'card'. The term is not used in English with this exact meaning.