I purchased this new and used it for field trips and lessons. There is some soiling from normal use, but there is no noticeable damage. How about it for twins or children with siblings close in age? However, please refrain from purchasing if you are concerned, as this is a used item. I will fold it for packaging when shipping. Height: Approximately 40cm Width: Approximately 30cm Depth: Approximately 15cm Name not written. - Brand: Nike - Color: Black - Design: With logo - Type: Shoulder bag - Features: Adjustable strap