Bic Velleda 1701 Whiteboard Marker Bullet Tip 1.5mm Line Black (Pack 48) - 927258BIC Velleda 1701 ECOlutions is a low odour, dry wipe board marker with 1. 5mm line width, making it ideal for writing clear and visible text at school or in the office. With its robust blocked tip, this marker does not bend or retract under pressure and withstand use by school children, teachers and colleagues. Unlike some other board markers, it is made from 51 per cent recycled materials*, making it eco friendly as well as exceptionally useful.