To provide a fabric capable of effectively preventing musty odor from diffusing from an aperture of an article or a structure having possibility to generate the musty odor from inside to outside, or dust and dirt from entering inside, excellent in light weight, air permeability, further transparency of inside of the aperture, and capable of being used repeatedly by water washing if stained.SOLUTION: There is provided a fabric for covering all or a part of an aperture of an article or a structure having possibility to generate the musty odor from inside, in which a water-insoluble or poor soluble antibacterial agent to an air permeable unwoven fabric having thickness of less than 1 mm and basis weight of 80 g/mor less, or thickness of 1 to 5 mm and basis weight of 250 g/mor less.SELECTED DRAWING: Figure 1【課題】内部からカビ臭が発生する可能性がある物品又は構造体の開口部からカビ臭が外部に拡散し、あるいは、塵や埃が内部に侵入するのを有効に防止し得るとともに、軽量性、通気性、さらには開口部内部の透視性に優れ、しかも汚れたら水洗いして繰り返し利用できる布帛を提供する。【解決手段】内部からカビ臭が発生する可能性がある物品又は構造体の開口部の全部もしくは一部を覆うための布帛であって、厚み1mm未満かつ目付80g/m2以下の通気性不織布、又は、厚み1~5mmかつ目付250g/m2以下の通気性不織布に、水不溶性ないし難溶性の抗菌剤を付着させたことを特徴とする布帛である。【選択図】図1