Kartónových
Kartónových is a Czech adjective meaning "cardboard" or "made of cardboard". It is the genitive plural form of the adjective "kartonový" (masculine singular) or "kartónová" (feminine singular). This grammatical form is used when referring to multiple items made of cardboard in the genitive case, which typically indicates possession, origin, or the object of certain prepositions.
For example, in Czech, one might say "krabice z kartónových obalů" which translates to "boxes made from
The material itself, cardboard, is a thick paper-based material used for packaging, construction, and other applications.