Make your mark in bold colour with these Spectra AD Markers! This 12-pack will give you the perfect selection of vibrant colours, with alcohol-based markers that feature dual tips. At one end of each marker, there is a flexible brush tip and at the other a unique tri-nib, which allows for three line widths. You can create a variety of different effects with your strokes to add depth and texture to any design. Create everything from intricate detail to expressive broad strokes. The colours dry fast and are permanent and non-toxic.