Shopping for a Good School Bag for Edison: IMPACT Ergo-Comfort Spinal Protection School Bag

I’ve to admit that I didn’t pay much attention in choosing a school bag for Edison last year when he was about to embark on his Primary One journey.  The main reason is because he has a locker at school, so I was under the impression that his school bag will not be heavy. But I was so wrong. It turned out that the average weight of his school bag is 4kg (that’s a quarter…