This waterproof durable messenger bag is designed to fit a mirrorless camera with 3 5 lenses or a digital slr camera with 2 3 lenses plus a flash and other accessories the interior has been constructed to protect cameras and other equipment and has removable padded insert dividers so that you can organise your kit however you want the internal padded compartment can be removed entirely to convert the bag into an all purpose bag and there is a rear padded sleeve to fit an 11 macbook air o