This is a convenient size, large enough to hold a lunch box and a large water bottle. It's a shoulder tote bag with a detachable shoulder strap. The opening has a secure zipper. Inside, there's a zippered pocket for small items. Color: Navy Size: Height 26cm x Width 34cm x Depth 13cm *Please note that there may be slight variations due to amateur measurements. *Height refers to the body of the bag excluding the handle. Width and depth refer to the bottom of the bag. Please feel free to contact us if you have any questions.