Excellent non-adherent occlusive dressing. Moist dressing should be used to seal any penetrating chest/torso wound between neck and naval, to prevent a life threatening tension pneumothorax. We provide 2 in the event of both an entrance and exit wound. This dressing is designed to be applied with 3 strips of tape, leaving one side open to relieve any built up pressure. Size: 3” x 9”. Sterile. Please watch the video to learn how to apply this dressing. Tape Options and Commercial Self Adhesive Chest Seals available here.