Nice quality Greyboard suitable for bookbinding. The Grain direction on the large sheet and A4 is parallel to the long side. The Grain direction on the SRA5 is parallel to the long side. The Grain direction on the A5 is parallel to the short side. Sizes 900x640mm  The large sheets must be bought in store, they cannot be shipped. A4      297x210mm SRA5 220x158mm A5     148x210mm