The model is convenient to use, saves space in the pencil case or on the desk, and allows you to always have a set of basic colors for writing and highlighting notes at hand. The plastic round body fits well... in the hand and contains 3 basic colors with an optimal writing tip thickness of 0.7 mm. The thickened ergonomic grip zone ensures comfortable use, preventing hand fatigue even during prolonged use. The automatic push mechanism provides smooth delivery of the required ink cartridge. The colored ink with optimal consistency distributes evenly while writing, drying instantly and not smudging. The body comes in assorted colors.