3 in 1 Convertible Mission Bag is the ultimate go anywhere bag; the bag can convert from a shoulder bag to a back pack with straps in back zipper pocket and with the use of the top & side carry handles and detachable/adjustable shoulder strap, it can become a shoulder bag. The bag has one large main compartment that can be mad into 3 sections with zipper dividers and has front and rear zipper pockets and the bottom back of it has one drain hole. . In addition this convertible bag has 2 cinch straps with quick release buckles, MOLLE Loops on the front, back and top of the bag.