This texture is FREE for commercial use.
They are porcelain tiles in Victorian style. Interlocking black circles are the major pattern. Dirt can be found on the surface.
The SBSAR file allows users to change the colors of the tile, pattern and dirt. The grout width, position random, rotation random can also be adjusted.
Check out this free PBR texture at
https://www.texturecan.com/details/344/