The scene contains a model of the Ridan sofa, 6 variations of materials:
Ridan Infinity Blue, Ridan Barhat Emerald, Ridan Barhat Night, Ridan Bargat Gold, Ridan Bargat Beige, Ridan Barhat Marsala; pillows Deko Romb Orange, Hannelise, NÄBBSPINNARE, NÄSSELKLOCKA. The model has the correct geometry and UVs, texture maps and materials with unique names.

Manufacturer 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 configured taking into account PBR