1. The internal structure of the sofa is: iron frame + S-shaped spring + paper-wrapped steel wire + cool cloth 2. Sofa legs: beech + middle leg iron (wall thickness 1.2mm) 3. Seat cushion/backrest interior: sponge (D30 thickness 7cm) 4. The inside of the bag is: doll cotton 5. The fabric is ecological cloud leather (synthetic leather) - shining night black; no need to disassemble and wash 6. Sofa position adjustment method: hinge 7. The soft bag part cannot be removed.
