Expandable & Waterproof Travel Backpack with Vacuum Compression – ArvidCompact your essentials in seconds. Travel further with more space, less weight. This expandable vacuum backpack offers a large 48L capacity, keeping your items neatly compressed for maximum efficiency. Made from waterproof Oxford cloth, it protects belongings in all weather conditions. Anti theft features, reinforced stitching, and dry wet separation make it reliable for daily commutes, overnight stays, or outdoor trips. Whether for business,