To sit on top of the noah base unit this 2 doored unit comes with reversible doors one side has blackboard and the other is a corkboard made from painted poplar plain white doors sold separately internal shelf for easy storage assembly instructions pdf 2 door storage unit we strongly advise using the anti tip wall fixings provided with this product however the wall fixing itself may need to be altered depending on your wall if these fixings have been misplaced please contact our customer s