Experience superior comfort with our sofa designed with a scientific 4-fixed-point zoning support system. Tailored to maximize relaxation, it provides remarkable neck support, back support, hip support, and leg support, providing your body a most supportive rest experience.Note: The dimensions of the sofa are: 104.33''L x 41.73''W x 26.77''H inches. The material is: Polyester and Foam.Due to the use of high resilience foam, the cushion will expand somewhat slowly. The sofa requires around 3 days to completely expand. Gently patting the sofa during this period can accelerate its expansion.