The scene contains a model of Ofra sofa and Onatrio Pea Deep Sea cushion by divan.ru, 5 material variations:
Ofra Happy Mint, Ofra Happy Yellow, Ofra Happy Gray, Ofra Happy Grafit. Ofra Time Light.
Overall dimensions ~~ 197x100x91 cm. The model has 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 the materials is adjusted taking into account PBR