# Material and surfaces reference

Learn about properties that relate to surfaces and materials in HDRP.

| Page | Description |
| - | - |
|[Shader materials reference](shader-materials-reference.md)|Properties that relate to HDRP materials.|
|[Shader Graph materials reference](shader-graph-materials-reference.md)|Properties that relate to HDRP materials that you can customize in [Shader Graph](https://docs.unity3d.com/Packages/com.unity.shadergraph@latest/index.html?subfolder=/manual/index.html).|