Copic Classic 72 Markers Case A Copic Markers are the most classic ones of the brand, used for decades by professionals from different sectors. Range of high quality markers, for illustration, manga and professional drawing. Perfect for colouring images and stamps. Can be used on paper, cloth, wood, plastic and other surfaces. They have two tips, bevelled and fine bullet tip for quick sketches. Colours can be mixed to create shadows and colour gradients. Features: Alcohol-based ink. Permanent marker. Fast drying. Non-toxic, acid free. Approximate life of 3 years. Body: square Capacity: 2.5 ml each. Presented in a comfortable transparent protective box, it allows you to see the arrangement of all colours and protects them from dust and dirt. Markers: Y06, Y11, Y13, Y15, Y21, Y26, YR00, YR04, YR07, YR09, YR14, YR18, YR23, YR24, R02, R08, R27, R32, R37, RV04, RV09, RV11, RV17, RV19, RV29, V06, V09, BV08, B05, B06, B14, B23, B26, B29, B32, B34, B37, B39, BG09, BG10, BG15, BG18, G07, G17, G21, G28, G99, YG03, YG13, YG23, YG91, YG95, YG97, YG99, E09, E29, E33, E37, E44, C1, C3, C5, C7, C9, W1, W3, W5, W7, W9, 100, 110 , 0 (colourless blender) How do I recognize colours? The numbering is according to the type of colour, saturation and brightness. On the one hand, the letters represent the colours they are: BV (Blue Violet), V (Violet), RV (Red Violet), R (Red), YR (Yellow Red), Y (Yellow), YG (Yellow Green), G (Green), GB (Green Blue), B (Blue) and E (Earth). and the greys C (Cold), T (Toner), N (Neutral) and W (Warm) and the fluorescent F (Fluorescent) and finally Extra 100 (Black), 110 (Special Black) and Blender. In addition to the letter also includes figures, the first digit indicates saturation and the second, brightness. In saturation, 0 is the purest and most intense colour and 9 is the opposite. The second digit is the brightness represented by the scale of 0 the as the palest and 9 the darkest colour.