This is a 20 PBR materials pack made completely Substance Designer. This pack contains sbsar e png files and includes the following material:

Dirt ground Icy mud Rock cliff Mountain path Sand ground Marble Mineral marble Marble floor Marble tiles Red marble tiles Crinkled leather Leather rough Suede leather Leather diamond patches Aligator leather Parquet tiles Clean parquet Herringbone parquet Old parquet Squared parquet

Every material has multiple parameter to tweak. It's possible to set material damages and scratches, material color, and and set roughness/normal/height intensity of the material. Use it and speed up your works!