Safety device

A non-wrap non-digital passive warning safety device for a motor vehicle comprising a sheet of removable PVC flexible material readily detachable and connectable to an external portion of a motor vehicle, and non-magnetic attachment means for such readily detachable connectability, the sheet material being arranged to be wholly within the bounds of at least a portion of the outer surface of the vehicle when attached thereto, the sheet material having an outer surface which is at least partially reflective and including a warning text and/or pattern printed thereon, wherein the sheet material further comprises portions which comprise perforations or comprise portions of a perforated mesh, and further wherein the warning text and/or warning is non-changeable and non-removable from the material, once printed.