Aquapac - 3L Heavy Duty Waterproof Waist Pack - Blue The Aquapac Heavy Duty Waterproof Waist Pack is designed for protection of sensitive equipment and personal belongings in demanding environments. It features the patented Aquaclip sealing system, providing a submersible, watertight, and airtight seal. The pack is constructed from high-frequency welded seams and durable, tear-resistant materials suitable for water sports, sailing, and wet-weather trekking. It includes an integrated belt system for waist-mounted carry and is designed to float if dropped in water.