Our Classmates Click Markers are retractable marker pens are of a ""High Quality"" with a 0.6mm bullet tip that perfect for journaling colour coding drawing and everyday writing or colouring. They feature a cap-less design and water-based ink technology that absorbs the moisture in the air which keeps the ink from drying out.Pack includes 1 each of black blue light blue green light green yellow orange red pink purple grey and brown. Also available as a pack of 12 refills.