bedding vs bedding material

bedding and bedding material both are nouns.

Word	Noun	Adjective	Verb	Adverb
bedding	Yes	No	No	No
bedding material	Yes	No	No	No

As nouns, bedding and bedding material are synonyms defined as:

bedding and bedding material: material used to provide a bed for animals

Other synonyms of bedding include litter.

bedding (noun)	bedding material (noun)
coverings that are used on a bed	material used to provide a bed for animals
material used to provide a bed for animals