3M Tegaderm Transparent Dressings* Breathable film allows moisture vapour and oxygen exchange Provides a moist environment for enhanced would healing, as viscous wound exudate is more slowly evaporated through the breathable film Sterile, waterproof dressing provides a bacterial and viral barrier to outside contaminants (laboratory testing has proven Tegaderm dressings provide a viral barrier while the dressings remain intact without leakage) Transparent film dressings used to cover and secure I.V. sites, protect at-risk skin, or as a primary or secondary dressing over acute wounds, surgical sites, and chronic wounds.