thickness back +Shaped sponge+
WHITE back shell+Alluminumalloy armrest (with pad)
+with seat shell +alluminum alloy
five star base+STG Weight-activated mechanism (4 position lock );

thickness back +Shaped sponge+
WHITE back shell+Alluminumalloy armrest (with pad)
+with seat shell +alluminum alloy
five star base+STG Weight-activated mechanism (4 position lock );