I don't label my fabrics according to size. I do however store them slightly differently by size. My fat quarters and quarter yards are folded into almost squares and stored in plastic drawers from Target. My 1/2 - 2 1/2 are folded until they are approx 11 x 4 and 3 yards and over are folded 11 x 6 (or so, I wrap them around my 6" ruler to get them all the same size) The pieces over 5 yards, or big enough for backing are folded like the 3 yard pieces but are stored in a different cabinet or in the garage in some large rubbermaid tubs. I do usually cut off a yard of my really big pieces and put them with the regular fabrics in case I want to use them in a quilt. I like having my backing size separate so I can quickly and easily look at what I have and pick what I need.