In the 1960s and 1970s, with the development and improvement of new processes, metal lunch boxes were gradually eliminated, vinyl lunch boxes began to rise, and the appearance of the lunch box process has tended to mature.

At the beginning of the 21st century, vinyl lunch boxes (styrofoam lunch boxes) became a mainstream disposable lunch boxes prevailed. Due to the disposable styrofoam tableware in the production, use, recycling and other aspects of the serious problems.

The foaming agent used in the production process, some will destroy the atmospheric ozone layer, and some serious safety hazards; improper use at high temperatures, easy to produce substances harmful to human health; after the use of randomly discarded, it will cause serious environmental pollution; into the ground and buried in the ground is very difficult to degradation, it will result in the contamination of the soil and groundwater, and the recycling and disposal of the difficulty.

So approved by the State Council, in January 1999, the State Economic and Trade Commission issued the "elimination of outdated production capacity, technology and product catalog" (State Economic and Trade Commission Order No. 6, hereinafter referred to as Order No. 6), which the disposable styrofoam tableware deadline for the elimination of the end of 2000.

Disposable Foam Lunch Boxes

Around 2003, domestic manufacturers began to introduce disposable tableware with PP injection molding. Most of the imported machine molds. Early to export-oriented, to meet the market in Europe and the United States and other developed countries. With the improvement of the domestic production level and the country's attention to food safety. The domestic market has gradually flourished in recent years.

Disposable PP lunch box

With the development of the network, in recent years, takeaway platforms have penetrated into the catering industry, this cover cover PP lunch box slowly revealed the existence of limitations, will be in the transportation process of spillage, not heat preservation and so on.

Paper lunch boxes

In fact, there are many types of existing lunch boxes, such as paper lunch boxes, corn-based lunch boxes, starch-based lunch boxes, etc., but the mainstream lunch boxes are still PP-based.