Hanging laminar label having a main portion of essentially rectangular sheet of a width H and with a longitudinal central appendage, which is essentially rectangular and of a narrower width h, wherein the appendage is attached to the main portion by a connection neck that has a central portion of a constant width z and the distal end of the appendage has a wider section with a portion of a constant width Z, the sum of the widths of the main portion and the appendage H+h being equal to the sum of the widths of the connection neck and the wider section of the appendage z+Z.