The scene contains a model of the SOLANA Oliver sofa and three materials of different colours.
https://hoff.ru/catalog/gostinaya/divany/pryamye/divan_krovat_oliver_id9295505/ 
Dimensions: length = 2650 mm, depth = 1130 mm, height = 860 mm.
Sofa, number of polygons: 160,926
Decor (pillows, blankets), number of polygons: 135 174
- 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. Choose Blinn, Phong or Ward - what is preferable for you.
For Corona render it is recommended to use version not lower than 1.5.