This is a large waterproof 30 litre dry bag backpack that has been built tough and strong with exceptional functionality. In 2 stylish colours black and olive. You can close the roll top 2 ways, either your traditional dry bag roll top with top fasten which is ideal for water sports or fasten on the sides for a square backpack. This super stylish backpack has comfort adjustable shoulder straps, chest strap and waist strap which are all detachable, so you can detach and put inside your bag when in your kayak etc, to keep straps dry. There's nothing worse than wearing wet shoulder straps when you've finished your adventures! Every aspect has been considered with extra pockets, D Rings, inside mesh pocket, this is not your average Dry Bag!