I purchased a new pet carrier (cardboard box type) from a rescue shelter for my travel box. Then I covered it with contact paper and reinforced the handles. I have the same shaped box in a smaller size that was sold as a temp cooler. It holds my colored pencil collection Best $3.00 (each) I ever spent. My current quilt magazines are housed in a large laundry detergent box covered with the same contact paper.
I always try to figure out a use for any type container that I empty. Some pillow cases or napkins came in those clear zipper bags. I use those for my notions bags. My binder clips are in international coffee plastic boxes. Old eye glasses cases work great for protecting scissors and a hard case holds my sewing machine needles.