also: ロイヤリティフリー · ロイヤルティフリー · ロイヤルティーフリー
noun which may take the genitive case particle 'no'
royalty-free
Describes content (images, music, etc.) that can be used without paying ongoing royalties after an initial license or purchase.
You can download royalty-free images on this site.
I used royalty-free music material for the video.