There are different grades of Duck (canvas). We choose to sell only Grade "A" Duck. Almost has the weight and texture of canvas but the flex and drape of a heavy jacket weight cotton. All dye well, but the natural dyes darker. Strong like bull! Fabric Details 100% Cotton 7 oz per square yard 76 threads per inch x 28 threads per inch You can dye this with our Fiber Reactive Dyes. We found that the Bleached shrinks 11% in length and 1/2 % in width, The Natural shrinks 18% in length and 4% in width Woven in India and finished in the USA The texture is like a heavier canvas Available in cut yardage (bulk discount level at 10+) and in 30 yard bolts Machine washable in any temperature water The Bleached fabric is Optically Whitened and the Natural fabric is PFD Very strong fabric Suggested usage; tote bags, banners, slip covers, back drops etc. Remember, bolts vary! They can be over or under - we charge you for the actual yardage. If you need very specific yardage, order cut yardage.