Knac bags are the original one bag travel bags. This backpack is small and mighty great for a smaller framed person. It is lightweight yet has a huge expansion zipper, which adds about two inches of width. Pockets galore organization galore. Water bottle pocket. Phone and sunglass pocket. Front organizational compartment, as well as a bottom shoe compartment.Or put your chargers there. The bag opens with a clamshell opening, so you can pack it like a suitcase and it can hold easy easily 2-3 days worth of clothes. padded laptop compartment. see photos for dimensions. Never used only purchased for testing purposes and a review. Just don't have the tags.