1. Plastic has low density and light weight, and can be transparent or opaque.

2. It is easy to form and process. As long as the mold is replaced, different kinds of containers can be obtained, and it is easy to form mass production.

3. It has good packaging effect, many kinds of plastics, easy coloring and bright color. Different kinds of packaging containers can be made according to needs to achieve good packaging effect.

4. It has good corrosion resistance, acid and alkali resistance, oil resistance and impact resistance; And has good mechanical strength.