I had a jansport backpack that lasted nearly a decade. I finally switched it out when I got a different backpack in college because I was traveling abroad and needed something a little larger/more sturdy. (Although the very front pocket was glued shut due to a science experiment that got squashed in... 11th grade? It was some kind of slime we made in class and oozed everywhere and hardened before I realized what happened. Whoops.)