Jakar dunnage mafita ce mai tsada kuma abin dogaro don adanawa da daidaita kaya a manyan motoci, kwantena, da motocin dogo.
An ƙera jakar dunnage don cika wuraren da ba kowa da kowa da kuma hana motsin kaya, rage haɗarin lalacewa yayin tafiya.Wannan yana taimakawa wajen rage asarar samfur kuma yana tabbatar da cewa kayanku sun isa inda suke a cikin yanayi mara kyau.Bugu da ƙari, yin amfani da jakunkuna na dunnage na iya ba da gudummawa ga ingantacciyar aminci ga ma'aikata ta hanyar samar da ingantaccen yanayin jigilar kaya.
