You can wear it as a backpack or fanny pack, and with the extra strap worn around your leg you have the hip holster style.

DIMENSIONS:

Bag starts at 2" inches at the top and goes up to 9.5" inches at the bottom

The middle zipper measures 13" inches Both side zippers measure 7.5" inches

When bag is fully stuffed it can stretch to about 5"-6" in volume

Small Pouch is 6" inches tall and 3.25" inches wide

Theres is a small wallet/card holder on a chain that fits inside Each standard strap can adjust up to 30" in length at its longest