It's designed to store a battery. It also comes with a shoulder strap, so you can use it as a regular shoulder bag. It can hold a lot of luggage, and can be used from business to everyday use. ⭐︎Exterior⭐︎ Front pocket (with zipper) x 1 Side pockets x 2 Bag pockets (with zipper) x 3 One for rain cover storage ⭐︎Interior⭐︎ Mesh pocket x 1 【Condition】 Used a few times, so there are no noticeable scratches or stains, and it's in beautiful condition. 【Size】 Height: 28 cm Width: 45 cm Depth: 18-25 cm (Varies depending on the amount of luggage) Measured flat. Please allow for slight variations.