1��eatsurface and handrail surface are covered with shell fabric,the back of chair is environmental-friendly leader.(can change to domastic leader,import leader and ultra filament imitates skin). The others part cover with thick imitation leader. Fabric colour and size can be changed.2��ooden support made by birch,oak,northest China ash竊�ine and so on.All of them must be sure not only dried and hard but also no board, its water content must be steady with high quality.3��he sofa made by high quality spring,leahter line,fabric fiber, sponge,nonwovens,seat frame fabric and so on.4��ponge竊�igh density and elasticity sponge, no distortion and wear well. Cushion sponge density is 35-45 KG,back and arm rest sponge density is 20-35 KG.5��Back of chair and throw pillow full fill with elasticity doll cotton or eiderdown.6��Sofa feet: The material contain wooden,stainless stell,iron and so on.its colour and size can be changed for custumer�� reference .7��The products are up to the Friends of the Earth requirement.8��We can provice difference class products to meet customers��reference.