his pack contains 4 BIC Velleda 1701 ECOlutions bullet nib dry erase pens in classic black, blue, red, and green. The right tool for professionals who want to make presentations with clarity and style. The dry erase ink is virtually odourless and wipes off in a flash - even after several days. Perfect for long writing tasks. Made in Europe from 51% recycled materials (not including the ink system) and certified with the NF Environnement eco-label.