This bag turned out to be everything it claimed. It easily folds into itself and is then small enough to keep in a coat pocket until you need it. Its capacity and dimensions are useful and comfortable with a quite heavy load when on your back. It is very strong for heavy items and I expect it to be durable too. It is so light, you hardly know you have it with you! Because the material is thin, it is floppy and therefore necessary to be careful in packing it so that lumpy stuff does not stick into your back, and that it does not topple when placed on the ground.All in all this is an excellent, highly useful piece of kit.