hoopla vs promotional material

hoopla and promotional material both are nouns.

Word	Noun	Adjective	Verb	Adverb
hoopla	Yes	No	No	No
promotional material	Yes	No	No	No

As nouns, promotional material is a hypernym of hoopla; that is, promotional material is a word with a broader meaning than hoopla:

hoopla: blatant or sensational promotion
promotional material: a message issued in behalf of some product or cause or idea or person or institution

Other hypernyms of hoopla include packaging, promo, promotion, publicity.

hoopla (noun)	promotional material (noun)
blatant or sensational promotion	a message issued in behalf of some product or cause or idea or person or institution