Dark blue coal https://buffalojackson.com/collections/canvas-backpacks-and-travel-rucksacks/products/vintage-backpack-dakota-navy
Who works in the V-Ray version lower than 3.1 be careful in some materials in the BRDF section there is a 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 to you.
Objects have the correct scan.
Smoothing model