Tissue boxes, trinket boxes, CD holders, Door stops, Book Markers, Book Covers, Square cubes to hold plants, Pencil holders. I work with the disabled and we've made them all.
The canvas can be cut into pieces and attached on the edges with string and made into boxes for cards, jewelry, toys... Can be put into bags for a hard bottom. Yarn can be woven into the holes to make a picture for a wall hanging. It can be used to sift large rocks from sand...the list goes on.