The material was made in 3ds max in 2017, V-ray 3.6
The folder includes 2 max file(2014,2017) and jpeg maps
the size of the diffuse map is - 1024x1024 (670kb), 72ppi
the size of the bump/reflection map is - 1024x1024 (692kb), 72ppi
the size of the displacement map is - 1024x1024 (670kb), 72ppi
(if you wish, you can reduce the value of the blur in bitmap)