Abstract: It is presented here an invention which aims at providing a simple indicator of direction for the exit of paper and of other materials in rolls of the respective materials installed as rotate reels. The invention is characterised by presenting a column formed by two successive alternate groups of words/phrases and arrows in horizontal lines, informing basically if the direction is correct (1) or incorrect (2), written upside down in relation to each other. The group of words/phrases and arrows can be printed in the involucre of the roll, where many times there are specifications of the product, or can be affixed in the roll.