sit-up board: 1.material:Material:Q195 steel tube & artificial leather ... 2m,1.18m,1.05m 3.OEM service High quality sit up bench1)Functions: sit-up, nutate-up2)Height-adjustable base for varying ... fat of your abdomen6) Material: steel tube,advanced leather,sponge seat cushion,padded rolls7)Total Size:1.4*0.58 ... your deposits if you have interest in our sit-up board,please let me know,and we are looking ...