Flexible packaging refers to a package in which the shape of the container can be changed after filling or removing the contents. Various bags, boxes, sleeves, envelopes, and the like made of plastic film, paper, aluminum foil, fibers, and composites thereof are all flexible packages.

A sheet-like plastic having a thickness of 0.25 mm or less is generally referred to as a film. The cellophane bags, plastic film bags, plastic composite film bags, plastic woven bags, and plastic woven composite bags are collectively referred to as plastic flexible packaging.

China's flexible packaging was introduced from Japan in the late 1970s. After more than 30 years of practice, China's flexible packaging has developed rapidly from scratch, from small to large, from small to large, and its products have also evolved from a single source. The structure and function are moving towards multi-layer composite structure and multiple functional directions. Nowadays, flexible packaging has been applied to all aspects of our lives and plays an important role in modern social life.

With the development of plastic raw materials and processing technology, plastics have occupied an important position in the packaging field, and all kinds of plastic packaging have already sat on the top spot of plastic products. Plastic soft packaging is becoming the leader in plastic packaging with the rapid development of science and technology and the gradual improvement of people's quality of life requirements. High-performance, versatile plastic flexible packaging materials are becoming a hot-selling packaging material.

Flexible packaging is a must-have packaging method in today's society, and the range of suitable products is very wide. From block, granule, powder products, to liquid semi-liquid foods, carbonated drinks, alcohol, vegetables and fruits; from medicines, health products, medical equipment, to small hardware goods, toys, stationery: from household chemicals, hygiene products , to clothing, textiles, etc. are all applicable.

According to relevant information, at present, there are thousands of soft plastic packaging enterprises in China, and composite soft plastic packaging materials have become one of the more mature main packaging materials in China, and have penetrated into various fields of national life. With the development of the market economy, the demand for plastic flexible packaging has increased year by year, and it is getting higher and higher. Plastic flexible packaging is covering the market with its original colorful and colorful patterns, and it is easy to use. It also promotes sales as an invisible product advertisement.

Boss data released "2017-2022 China plastic flexible packaging industry market development research analysis and investment planning recommendations consulting research report", in 2015 China's plastic flexible packaging industry output value of 76.97 billion yuan, an increase of 5.4% compared with 2014's 73.224 billion yuan.

With the increasing demand for product packaging, flexible packaging is no longer just a low-cost option for industrial packaging, and has begun to quickly replace rigid packaging as the mainstream choice in the market. The growth engine of the flexible packaging market is mainly derived from the demand for consumer goods, food, beverages and drugs in the developing economy. The Asia Pacific region is the most promising market, with the largest market in China and India.