1. Material: Optional    Artifical Leather,  Microfiber Leather ,  Fabric and High - Grade Leather;    2. Foam: High density Foam ;                                                    

3 .Frame: Four sides planed,  dried solid wood frame combined with multi-layer plywood;            4. Load-bearing structure: standard spacing serpentine spring + balanced steel wire + balanced net;                                                                    

5.Sofa leg: Stainless steel electroplated titanium black foot frame;                                            6.Fabric pillow or options