A dispensing apparatus for strips of coiled flexible material having at regular intervals tear lines to form the strips. The apparatus includes a casing receiving the coil, the casing having a circular opening for the passage and distribution of a strip of coiled flexible material under a tensile stress. The casing also includes at least one washer fixed on the casing concentrically with the distribution opening, wherein the internal diameter of the at least one washer is smaller than the diameter of the opening. The one or more washers are made of an elastomeric material capable of being deformed under the effect of the material distribution through the opening for achieving, concomitantly, a strip cut along a tear line. The one or more washers cooperate with an element manually operable and arranged to reduce the internal diameter of the one or more washers.