The model is presented in 2 fabric options
More color and fabric solutions are available on the manufacturer's website.
https://www.tecta.de/en/produkt/d8p/ 
UV mapping - +
Subdivisions - Optional
Materials:
Corona 12 - CoronaLegacy, CoronaBitmap
VRAY 6 - VRayMtl, VRayBitmap

Those who work 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. Select Blinn, Phong or Ward - what is preferable for you.
Good luck!