The scene contains a model of the Olien sofa by divan.ru 6 materials:
Olien Happy Yellow Olien Happy Emerald Olien Happy Ocean Olien Happy Gray Olien Happy Grafit Olien Happy Latte
Overall dimensions ~~ 218x120x89 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-olen-happy-emerald 
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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