8k material. Real size ~ 4x4 meters.

Highly detailed seamless textures:
Diffuse, microbump: 8192 * 8192px
Normals, AO, Displacement (EXR 32-bit): 4096 * 4096px
To save RAM, it is possible to reduce the detail by halving the size of images in the photo editor.
In the scene, the sample plane is 12x12 meters. Displacement height ~ 10cm. VrayBlendMtl, HardWax SSS, VrayDisplacement, VrayNormal are used.
AmbientOcclusion map is not used. When importing FBX, set input gamma = 1 to NormalMap.

*** Who works in V-Ray version lower than 3.1, be careful, in the materials in the BRDF section there is Microfaset GTR (GGX), if your version is older than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward - which is preferable for you