The color of the towels and decor can be changed. All models have high-quality UVW mapping, materials with logical names, and some items use the Turbosmooth smoothing modifier.
decor for the bathroom: https://3dsky.org/collection/shared/5179027 

The set includes: shaving machine, toothbrush, glass, towels, Apotherapy87 shampoo, Bedfordshire beard wax, Apotherapy87 oil, David Beckham eau de toilette, Apotherapy87 shave cream, Tom Ford face toner, Zenyum toothpaste, bathrobe, slippers, soap.

When using OBJ, please apply MeshSmooth/TurboSmooth with 1-2 iterations. Scene in mm.
For Corona render, it is recommended to use version 1.5 or higher, as the glossiness of materials is set with PBR in mind.