At the time I purchased this item I wasn't sure what I would be getting in the mail. It is described as "Poster" and "Cards", so I wasn't sure if I'd get a "poster", which in my mind is normally printed on thin paper (like you would buy at a poster shop or Walmart, etc), or if I'd be getting something printed on heavy CARDstock. I was pleasantly surprised to open the box and discover some heavy cardstock - much more durable than a "poster". Yeah! However, I don't feel they are quite durable enough. I'm not sure how many years of use they will stand up to - especially if my preschoolers get their hands on them :). I wish they were laminated, I will have to do this myself. The illustrations are very lovely. An index of the fifty stories (as an insert or on the back of the box) would have been very helpful. I'll make my own.