High protection levels against moisture, oxygen and heat are important for protecting active pharmaceutical ingredients (APIs), to provide the patient with an effective medication. Constantia Flexibles’ goal was to meet the very high barrier properties for pharma products, while implementing the best possible sustainability standards. The result is Perpetua, a recyclable product family, based on a unique line of full PP (Polypropylene) high barrier laminates. The flexible packaging solution is available in application-tailored versions.