Hydrofilm 10x12.5cm 100pkHydrofilm is an adhesive, transparent, semi permeable, polyurethane film dressing with pad, which is waterproof and bacteria proof. The elasticity of the film means that the dressing conforms to the bodys contours. Hydrofilm is used as a primary dressing to cover post operative and trauma wounds or as a secondary dressing for retention purposes, and features an additional absorbent wound pad.