Pros: airtight seal; does what it is supposed to;
Cons: a little expensive; some people report the cap breaking eventually; the shape doesnt' lend its self to a bag beign placed inside.
I own a smaller size (25lb) vault, but they are all (15, 25, and 40 anyhow) the same, except height.
I like mine,and intend to get a second ( I rotate a pair of foods), so I do recomm3end it if you want an item like this. My one suggestion is that you use it to refill a smaller container, so that you don't have to open it up every time.