For three days with a backpack attached bag， expanding its line of carrying capacity (can also be used alone or in conjunction with other equipment， but retaining tabs are standard three-day backpack). Backpack features a special clip， a deduction can be， at the top and bottom can also be equipped with a strap tied.

MacGyver's three-day backpack， computer bag also available (khaki Suma Xiang wild wolves and brown close).

If used for other backpack， you can also use the webbing strap tied or multi-purpose clip fixed.

Attached bag size: 33 X 15 X 10CM (flat state under 33 * 22CM)

Flyye the 3rd backpack Description: Flyye produced medium-sized backpack， the prototype is famous AIII EAGLE backpack.

US MIL-SPEC is to load the 3rd act backpack supplies. The backpack in A-III， based on an increase in peripheral backpack MOLLE webbing system more easily mount other packet tools， more convenient to use.