Blue, red, green, black: BIC 4 Colours Original ball pens change colours without changing pens Their 4 medium 1.0 mm tips offer clean and precise writing and are suitable for any type of use A timeless design featuring a round blue and white barrel, a side clip, and the signature clicking buttons Long live the BIC 4 Colours ball pen: each refillable ink cartridge writes for an average of 2 km – that's a total of 8 km Made in France from 57 % recycled materials, these 12 pens are certified by the NF Environnement eco-label. nice one, BIC