Sofa recliner 1. Structure frame: 1) mechanism base: (a) material: steel plate---no contamination, no plumbing & chromium (b) the designs of parallel connecting rod and proper width of under Frame effectively control the accuracy of both sides of device. (c) the joint of ravel and iron casting is added with bush and gasket, Making device working flexibly and decreasing the noise. 2) wood frame: dried hard wood, with special treated by druggery stream drying Preventing bristletail, water contain 9%-11%, meet the international requirements. 3) rubber band: imported high grade double weave rubber band that has high Resilience and anti-deformation properties (a) back area: width 5cm; the elongation 90% (b) seat area: width 3cm, the elongation 60% 2. Hd foam: 45d for seat cushion, 35d for back cushion, 30d for armrest. And all combined with poly foam; 3. Outer pop-up controller, resole the ottoman droop by a gentle press with the foot . Sofa spec.(cm): 1seater: 97w*90d*97h 2 seater: 155w*90d*97h 3seater: 2100w*90d*97h Seat meas.: 53w*53d*46h Arm height: 20 ottoman droop: 58w*50d G.W.(kg): 195 n.W.(kg): 185 Conveyance: 22 sets/1*40f+hq Packing: poly bag + epe + more foam protecting legs and corners + woven bag