This Copic Sketch Marker Set contains 12 assorted coloured twin tipped markers. As their original-signature marker: one end features a traditional chisel tip for coverage and at the other, a precision ideal for fine details, taking colour to the edge of lines and colour breaks. Favoured by design studios worldwide, the original Copic Marker is distinguished by its rounded square colour caps. These markers are refillable which makes them both versatile and sustainable. The ink itself is ultra-blendable, low odour and alcohol based. The outstanding performance of Copic products, distinguish these pens as the celebrated colouring tool within professional design industries, artist and hobby circles alike. The Copic Sketch Cool Grey contains numbers: 00, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 & 10.  The Copic Sketch Assorted set B contain the colours: Forest Green, Light Blue, Ultramarine, Prussian Blue, Burnt Sienna, Black, Violet, Pink, Vermillion, Chrome Orange, Lemon Yellow and Yellow Green.