Move fast! Amazon has the Five Star Expandable Backpack in gray for only $7.44! (Reg. $36.50) These are awesome school backpacks for high school or college. There is so much room for all the books and supplies you may be carrying around. This item will ship free for all Amazon Prime members. Or, regular members can score free shipping by adding $49 or more worth of eligible items to your cart. You can get a 30-day free trial of Amazon Prime here.