Link:
https://mebelform.ru/catalog/divany/loft_classic_uglovoy/ 
The archive contains 2 sofas, folded and unfolded.
Dimensions of the folded sofa:
Length (seams): 260 cm
Depth (at seams): 180 cm
Height: 85 cm
Dimensions of the unfolded sofa:
Length (seams): 260 cm
Depth (at seams): 219 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 box: no
Filling: "Premium"
— foam with memory effect "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