Cosmopor I.V. transparent are non-active, self-adhesive, sterile, single-use devices consisting of a laminate of coated carrier material with a fenestration (covered with PU film, to allow visibility of the cannula/catheters during dressing application) and an I.V. opening for inserting the cannula, protected with silicone paper and including self-adhesive fixation strips attached to the silicone paper, for sterile covering and fixation of cannulas/catheters.