The scene contains a model of the SOLANA Seattle sofa and six materials in different colors.
https://hoff.ru/catalog/gostinaya/divany/pryamye/divan_krovat_sietl_id9314955/?articul=80570774 
Size: length = 3510 mm, depth = 1240 mm, height = 860 mm.
Sofa, polygon count: 340,192
Decor (throws + cushions), polygon count: 130,990
- Those working in V-Ray versions lower than 3.1, please note that the materials in the BRDF section are set to Microfaset GTR (GGX); if your version is older than 3.1, the BRDF field will be empty. Choose Blinn, Phong, or Ward – whichever is preferable for you.
For Corona render, it is recommended to use a version no lower than 1.5.