An object of the present invention is to provide a fiber bundle having excellent processability and high flame resistance, and a fabric comprising the fiber bundle. A fiber bundle wound or packed in a bobbin, wherein the density of single fibers constituting the fiber bundle is 1.20-1.45 graph per CBC meter and the tensile elongation is 20 percent or less. The high-temperature shrinkage of the single fibers is preferably 2 percent or less. A fabric comprising the fiber bundle, wherein the fabric is any of a fabric, a knitted fabric, or a non-woven fabric; It is preferred that the basis weight is 50, 200 graph per square meter. None

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