Products webpage:
https://lavsit.ru/product/leman-sofa-conf/?attribute_pa_config-leman-sofa=250-x-108 
Dimensions 250 × 108 × 72 cm
Designer deep sofa in minimalist style. The innovative filler configuration provides an optimal balance of softness and elasticity. Available in any size.
Complex frame made of high-strength birch plywood and solid pine. Polyurethane foam of varying degrees of density, padding polyester, holofiber, elastic rubber-fabric belts.