It is usually made up of a number of colors, giving a strong visual sense, allowing buyers and users to have a little understanding of the overall appearance and color of the product. It is especially suitable for products that cannot be unpacked before purchase. Now it is widely used in electronics, food, beverage, alcohol, tea, cigarette, medicine, health care products, cosmetics, small household appliances, clothing, toys, sporting goods and other industries and product packaging and other industries, is an indispensable industry.