Weatherproof and transparent all-purpose organizers with zipper access. Available in 3 practical sizes A6 to A4 that hold anything from documents and maps to books Can easily be secured via clip-hook and durable Hypalon tab Size Dimensons Weight Small A6 21 x 12 x 2cm 25g Medium A5 29 x 17 x 5cm 40g Large A4 37 x 23 x 4cm 55g The Exped Vista Organisers are tough transparent pouches with weatherproof YKK zips. The Vista organisers are great for documents, maps, first aid kits, money and small electrical items like digital cameras and iPods. The zips provide quick access which is great for things that require repeated use. The Vista Organisers are weatherproof but NOT 100% waterproof (i.e. not submersible). Each Vista has a small security clip and a holed tab that allows it to be attached to a clip in a rucksack.