Define your talents with beautiful shades from Derwent and their new selection of Graphik Markers, set for strong lines, elegant contours and fierce edges to produce your sharpest art pieces to date.From comic art to pop art, from draft to drawn, these professional markers are here to add definition, strength and beautiful finishes to your pieces. From beginners to experts, artists can enjoy completion with a few, light strokes of these beautiful pens.The markers will need to be activated by pump actionjust shake, remove the cap and press nib down slowly a few times. Unleash. Draw. Define.Repeat.Three professional pensActivated via pump action Sizes: 0.1, 0.3 and 0.5 mmDeep, strong pigments for line definitionDerwent Black Graphik Markers 3 Pack