Low grade, 100% recycled, grey coloured thick board used for pad backing, rigid boxes, carton (not corrugated) toy packaging and bookbinding. The product ‘greyboard’ which is now manufactured has many forebears and the names of these products are sometimes still referred to. In particular, names which people often refer to are strawboard (it used to be made using cereal straw), unlined chipboard, millboard, container board, Dutch greyboard.