1)Steel coated,main frame size:38(D)*1.2                       

2)Bottom side tube size:30*25*1.0mm                 

3)Foot step tube size:25*1.0mm                                 

4)High density sponge                                               

5)Backrest thickness 8cm                                        

6)Head backrest thickness10cm                                 

7)Cushion thickness 4cm                                            

8)Wood armrest,backrest angle 20°/85°