Felt handbag--could try fusing two pieces of regular wool felt together to give strength of industrial.
Beatrice Waanders - this is what I am talking about. Bringing felting from some hippie craft into the modern era.
Felt and leather BACKPACK by anonimaMente design
Die Origami-Bag: 30 Minuten Tasche für Anfänger. Version aus 1 Stück Stoff