Cautionary labels are given for products or containers containing hazardous material. Besides identification which is a major purpose of labels they can also be used for furnishing usage instructions, promotional purposes, environmental adviceor warning notification. Product labels in the food and beverage industry and automobiles are required to remain on a permanent basis. Labels take varied forms depending upon their application. For example, in textile industry they are woven or attached to the garment and made of fabric, plastic, PVC or leather.Whatever form they assume they perform an important function in every sphere of use.