This is the 12195th most frequent Polish word.
materiałowymi
"Materiałowymi" means "material" or "related to materials" in English.
In this sentence, "materiałowymi" is used as an adjective in instrumental plural form to describe the quality of the bags as being made of material.
Książki są umieszczone w materiałowymi torbami.
Books are placed in fabric bags.
Here, "materiałowymi" functions as an adjective in instrumental plural form to describe the surfaces of the furniture as being made of material textures.
Projektanci stworzyli meble z materiałowymi powierzchniami.
Designers created furniture with fabric surfaces.
In this example, "materiałowymi" describes the tools in instrumental plural form, emphasizing their composition or relation to material.