Thank you for viewing. Storage area: Approximately 32cm x Approximately 42cm Thickness: Approximately 16cm This is a backpack with reflective tape that I used for commuting to school. It's a very durable bag. I used it with loads of over 12kg, but there are no frays on the handle or the straps. There are no noticeable scratches or stains, but there are scuff marks on the bottom and small scratches on the metal parts. Please check photos 10-12. Because it's durable, I think it can be used not only for school but also for outdoor activities, tool storage, etc. I hope to sell it to someone who understands. *Please purchase with the understanding that this item is a home-stored item that has been inspected by an amateur. Thank you. *When shipping, we will ship with simple packaging. Please understand. #Backpack #Durable #ReflectiveTape #Outdoor #ToolStorage #Bag