DURAGADGET Medium Rucksack/Backpack Digital SLR Camera Bag for Pentax K and M Series DSLRs Hard-wearing Photo/Digital Rucksack made of polytex Secure zip closure and water-resistant lining will keep your device protected from spills and splashes, while durable nylon outer ensures protection from damage and the elements - finished in a classic black colour Rucksack with five adjustable hook and loop inner dividers Ample external pockets allow quick zippered access to supplies and a water bottle/ tripod support pocket pulls out from a side pocket Twin Back /Shoulder straps (length can be adjusted) are comfortably & padded