... of modern sofa come with back-adjust equipment,soft and ocmtable,quite well received. full grain leather sofaFurniture Modern leather ... sofa set features soft headrest, and high elasticity spongeon the back and seat, offering breathtaking coziness, the hidden steel frame ... comfort, support and performance. 5. Leather series available: (a) Full grain leather(b) Top grain leather, high quality, 100% ...