BLOCKX has been manufacturing artist colours in Belgium since 1865. This selection of 204 pastels is made up of 40 colours with 5 shades of each, two blacks and two whites. The sticks are soft and velvety yet retain a slight hardness. They have superb tinting strength and are lightfast and permanent. The hand made sticks can be applied to any medium. Packaged individually in protective foam, they are extremely clean to handle. Offering vibrant, luminous and fresh shades, BLOCKX pastels are ready to use, can be diluted with water and are fully light resistant. 13 x 67mm. 661 Olive Green shade 1. Pigment codes PG17, PY42.