Bic velleda 1751 chisel tip whiteboard marker blue pack 12 product description bic velleda 1751 chisel tip whiteboard marker line width 37 55mm blue pack of 12 markers features drywipe low odour alcohol based ink cap security lock ideal for meetings and classrooms large plastic barrel chisel tip line width 37 55mm blue packed 12 general model name 1751 product family velleda product type marker set physical barrel colour bluewhite dimensions 90cm w x 78cm d x 144cm h we