I bought this for my 5 year old son, who is Star Wars crazy. He needed a bag of this size for school - to carry stuff like drinks, snacks, packed lunch, wellies, hats, gloves etc.
It is too early to say how hard wearing it is, but I am pleased with it. It is impossible to see how spacious it is from the pictures on Amazon, but I was pleasantly surprised by how much room there is for everything.
And, ofcourse, it looks cool. If there was a grown-up sized version of this available, I think my son's dad would like one too.