Cotton Duck Canvas: Numbered(#) vs. Ounces(oz)

Cotton duck canvas for artists’ canvases is sold in two different  types: numbered and ounces.

The difference is explained in the diagram below:

Cotton Duck Canvas: Numbered vs Ounces


For numbered cotton ducks,  smaller numbers mean  a thicker and heavier canvas.

Upper Canada Stretchers currently carries cotton duck canvas in 7 oz (light weight), #12 (heavy weight), and #10 (extra heavy weight).

Buy Cotton Duck Canvas Online