Question: what materials are used to make a backpack?
Answer: Backpack Materials: What are Backpacks Made of? They comprise varying components but the most crucial element in their construction would have to be the fabric they are made with. ... 
Cotton canvas. ... 
Cordura nylon. ... 
Nylon. ... 
Ripstop nylon. ... 
Pack cloth nylon. ... 
Polyester pack cloth. ... 
PVC fabric.