All products available on the Surface Imperfections website are sold with a commercial license:
Use the textures in commercial 3D or 2D computer graphics projects such as movies, animations, computer games and virtual reality experiences.
Use the textures in graphic designs for printed media and website designs
You can not:
Resell or redistribute the textures (modified or unmodified) as a competing product. For example, as textures, or bundled with material presets, shaders, or as brushes for digital painting or sculpting software.
Bundling the textures with a 3D model or similar is generally allowed but requires written permission. Please contact email@example.com
Use the textures in software or games released under an Open Source license.