Wenger Rain cover Tidal 602121 for Suitable for all Notebook Rucksacks up to 17.3′ (43,9 cm). Elastic edging for quick, easy to put on. This raincoat, which is made of quality material, will provide you with maximum protection for your backpack. Elastic binding ensures quick and easy deployment. Reflective logo printing ensures that you will be visible in the dark. Self-bag can packs into its own pocket.