The scene contains a model of the Markful sofa and the Hague cushion by divan.ru, 7 material variations:
Markful Velvet Light, Markful Barhat Blue, Markful Velvet Yellow, Markful Barhat Emerald, Markful Velvet Coral, Markful Velvet Gray, Markful Velvet Ocean. Overall dimensions ~~ 220x103x86 cm. The model has the correct geometry and UV-mapping, texture maps and materials with unique names.

Manufacturer's website: https://www.divan.ru/ 

For Corona render, it is recommended to install a version of at least 1.5, since the glossiness of materials is adjusted taking into account PBR