Maxpedition Fliegerduffel Adventure Bag Khaki
http://www.amazon.com/gp/product/B001UC4IA0?tag=sukses2015-20
Overall size 22 long x 14 wide x 9 high 45 linear inches
Main compartment approx 21 x 13 x 8 with tie down strap
Top exterior sleeve pocket 10 x 6
Internal mesh pockets 10 x 5 x 2 two
External slip pockets 14 x 4 two