This is a small 5 pack PBR materials made completely Substance Designer. This pack contains sbsar e png files and includes the following material:

Crinkled leather

Leather rough

Suede leather

Leather diamond patches

Aligator leather

Every material has multiple parameter to tweak. It's possible to set tiles visibility, tiles damage, marble pattern, marble color and and set roughness/normal normal intensity of the material. Use it and speed up your works!