Entire sofa upholstered with wear-resistant full leather with natural soft grain, each independent segment unit filled with high-density rebound foam to maintain plump and supportive seating feeling without deformation. Continuous vertical channel tufting runs through backrest and seat to form distinctive layered ribbed texture, every modular block can be freely combined into straight, curved or irregular large-size layout according to space demand. Solid multi-layer wood inner frame ensures stable load-bearing performance, integrated thick leather support base eliminates extra legs for a streamlined sculptural look, fully removable leather covers facilitate maintenance and cleaning. Multiple leather color and texture options are offered for interior designers, hotel project contractors and furniture bulk buyers.