Change colours without changing pen with BIC 4 Colours Original. Sold individually With the 4 medium 1.0 mm ballpoints, a totally versatile BIC Biro pen for crisp precision writing or bullet journaling Classic design featuring the round blue and white barrel, a side clip and the signature clicking buttons Long live the BIC 4 Colours pen. Each refillable ink cartridge writes for an average of 2 km – that's a total of 8 km Made with minimal raw materials and proudly certified by the NF Environnement eco-label