Medical Flat Reels Gusseted Rels and Pouch. Available in flat and gusseted reels and single envelopes, these products are manufactured according UNE EN 868-5 norm. Produced with 60 GR Medical Kraft paper, which is specially developed under EN 868-1 for medical packaging, and see-through blue tone laminated film with anti-bacteria barrier. The group provides optimum resistance, durability and peeling. EO gas and Steam chemical indicators incorporated.