Link:
https://mebelform.ru/catalog/divany_i_kresla/loft_klassik_4_kh_mest_uglovoy/ 
The archive contains 2 sofas folded and unfolded.
Dimensions of the folded sofa:
Length (at seams): 360 cm
Depth (at seams): 180 cm
Height: 85 cm
Dimensions of the unfolded sofa:
Length (at seams): 360 cm
Depth (at seams): 218 cm
Height: 68 cm
Upholstery: more than 500 fabric options, different in texture and shades
Transformation mechanism: roll-out Eurobook
Frame material: birch plywood
Linen drawer: no
Filling: "Premium"
- Memory foam
— Elax - premium polyurethane foam
— 2 layers of high-density polyurethane foam
— Independent spring block
— 2 layers of rubber-fabric belts
Softness level: soft
Production: Russia, MEBELFORM