This pack contains 7 realistic procedural materials for Blender.

They all use object as texture coordinate so UV's are not required (you can change this easily in the shader tab).
Render Engine : Cycles
Use displacement : Yes (Better results with adaptive subdivision)

Make simple objects become realistic nature elements with just a few clicks :

All the 7 materials and their customized nodes :

How to import the materials :

• Go to File → Append

• Look for the file that contains the materials and double click on it

• Go to the material folder

• Select the material and click on "Append"

• Now you can assign the material to your object and customize it in the "material properties" panel or in the Shading workspace.