The measurements are 6" tall x 8 1/2" wide x 1" deep. The 1/2" strap adjusts from 30" to 56'. This bag is a real problem solver for many women! You can use it as a wallet and a shoulder bag and a fanny pack. The bottom front zip is a change pocket, the middle zip has card slots and space for money and the top zip is a roomy compartment for other misc. items. The back has a secure yet handy phone pocket. A great bag for traveling!!!