It really depends upon what you're doing. If you need one for schoolcal packs are great i had one for 3rd grade and it lasted the whole year with out breaking it was cool. they sell them on amazon for $50. it was the best backpack i ever used.
P.S. i don't work for the company i am 9 years old i am too young.
thing to name your flying backpack is.......The Wiki Flyer
The best option in a backpack depends on the kind of backpack you are looking for as there are many shapes sizes and brands of backpacks for all sorts of things such as camping hiking and of course college
The best backpack fabric is the 500 denier Cordura. It is durable and very reliable in terms of waterproofing.
Best Laptop Backpack : The best laptop backpack for your son would have to be the "Tech Air 3710 Rolling Backpack" as it is an affordable price coming in at 65 and will suit your son as the versatility of the backpack will suit him for travelling overseas
T
ftjgyyyi
On your back.
you should try www.ebags.com/category/laptop-backpacks/.../h/best-of-the-bestCached or www.amazon.com/Best-Sellers-Electronics-Laptop...Bags.../172470 or www.overstock.com/guides/best-laptop-backpack-features
you really don't have that much books so I think a backpack is best (people might kick your roller backpack in line)
Northface surge
Osprey Aether 70
The weight of an empty backpack could probably be measured in grams. However, a filled backpack would best be measured in kilograms.