This is a super simple, sturdy, and usable canvas backpack. The base is made out of a 12oz cotton canvas. The outer layer is made out of a 10oz cotton canvas. The backpack is built in dry bag style. On the front, there is a slanted pocket with a heavy-duty zipper. On the side of each zipper, there are reflective ribbons for visibility at night. 
 
 
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Canvas Lunch Bag
Canvas Toiletry Bag