Rig Pig Bag Features: Roll-top 100% waterproof rucksack, Floats safely if dropped in water, Protects contents from dust, sand, dirt and water, High frequency welded seams Two-way sealing system (top or side), Top 2" webbing compression strap, Padded shoulder straps, Neoprene grab handle, Shoulder strap webbing cinch straps, Comfortable back panel with air-flow design, Multiple D-ring attachments, Large front wet/dry pocket, Reflective strips on the front and on shoulder straps, Adjustable sternum strap and waist belt. Capacity of 30 liters