This sofa inherits the concept of Exential high-end series, it takes modular combination as the sensation and base tune, uses upright and concise lines and provides us with modern and high end feeling. The diversity (3.5 persons + stool and lying etc.) on sizes and combinations is applicable for homes and public space, the double layer backrest cushion can be changed to get different sitting demands, presenting the essence of design modularization. The seat cushion and backrest are mainly filled with sponge and feather, matching with widened size, provide the extreme comfort in sitting and lying. The whole sofa is concise and steady in modeling, no redundant decoration but still be full of personalized charm.