Nice looking bag.  It feels rugged.  I haven't used it but feel hesitant about checking it on air travel.  The zipper is strong and I could not penetrate it with a pen.  I have a different bag where the zipper took two seconds to separate with a pen.  The zipper handles/ends are not the best.  They feel strong but there are no loops for zip tying since the loops have openings.  This is a bummer.  I know that anyone can get into a bag if they want but not having anything to use to lock the zippers closed is a bummer.  I use zip ties but there are no loops anywhere that will work on this bag.  It's a good bag for road trips but I wouldn't check it.  I know locking bags, even with zip ties, only gives you a false sense of security if you check your bag - but you won't get that with this bag.  Unfortunately I didn't notice this until too late so I can't return it.