The scene contains a model of the Berg sofa by divan.ru, 6 materials:
Berg Velvet Blue, Berg Velvet Light, Berg Velvet Yellow, Berg Velvet Navy Blue, Berg Velvet Brown, Berg Velvet Gray
Overall dimensions ~~ 198x89x88 cm. The model has the correct geometry and UV-mapping, texture maps and materials with unique names.

Manufacturer's website: https://www.divan.ru/product/divan-berg-velvet-light 
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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