I highly recommend these backpacks.  I think I have gotten around 7 of them now.  I bought the first one, a monkey backpack, for my 3 year old to take to pre-school.  He LOVED it, and took it everywhere, not only school.  Then his brother, a 1.5 year old, got his hands on it and fighting ensued.  I got another one, an airplane backpack, so that they each had one.  They both wheel them around all over the place and have even used them for trips through the airport, to the amusement of the other passengers.  They are cute, well-made, light and easy to use.  The designs are cute.  I now buy them for the many birthday parties that come up.  The kids love them.  Great gift.  Great backpack.  I would highly recommend this product.