Highlander Storm Kitbag 30L can also be a good quick carry-all bag and it is available right now at the Military 1st online store... "The versatile Highlander Storm Kitbag 30L comes with a large lockable main compartment, two external pockets and four daisy chain straps.

It also has two carry handles with padded hand grip, six stiffened grab handles on all sides and adjustable padded shoulder straps allowing carrying it as a backpack.