This is an outdoor backpack with a mesh back panel and adjustable shoulder straps. The size is suitable for kids or petite women. I used it for hiking twice, but haven't used it since, and it has been stored, so it's in good condition. Please purchase if you understand that this is a used item. ★Size Capacity: 18L Length: 50cm Width: 26cm ★Depth Height: 15cm Width: 26cm Please note that there may be slight variations. Thank you for looking.