If you want to change the seat of your office chair, either because it broke or because it has simply become uncomfortable due to constant use, we have the solution for you.This is a replacement seat in MOKA color for the chair FB91091.09 nDIMENSIONS:52x53x12(thickness) cm.MATERIAL OF CONSTRUCTION:The seat is PU coated synthetic leather, just like the one you want to replace.INSTALLATION:Unscrew your old chair seat from the arms and metal base, and screw the new one in using the same screws in the same places.