This heavy duty trauma bag is great jump kit for WCB level 3 first-aid attendants. I has 4 large pouches. One pouch has insturment holder and pockets. Bag measures 20"x 13"x 12". The bag also comes with an additional 12"x 6"x 2.5" bag that velcros into the top of the bag. Kit has reflective strips for good visibility and comes with shoulder strap.