Abstract: Laboratory pipette composed particularly of a transparent tube comprising one end for sampling a liquid and one suction end into which a piece of fibrous material is inserted with a color corresponding to at least one characteristic of the pipette and particularly to its nominal volume, characterized in that the piece of fibrous material is in the form of a braid of interlaced threads of synthetic fibers, the said braid being folded such that the fold thus formed is located towards the inside of the pipette, and a method of identifying at least one characteristic of the pipette.