黒い色の粗い乱雑な汚れた黒板または擦り傷のある書き込みスレート、テクスチャ効果グランジベクター画像水平背景、空白で空ののイラスト素材

Black coloured slate board textured effect wall texture grunge scuffed vector background with abstract marks all over. There is no text and no people. but copy space allover. Can be used as a wallpaper or backdrop.