It is a full width (35") and just over 2 metres long.
I am not sure of its name - I have not seen anything quite like it before.
It is a sort of needlecord, in a metallic green, fairly stiff, and with the space between the wales (ridges) semi-transparent.
8 wales to the inch.
Size: Length x Width
84" L x 35" W
215 cm L x 90 cm W