plastic; plastics (general term for synthetic polymer materials)

I refuse to use plastic bags.

This chair is made of plastic.

We must make the utmost effort to reduce the use of plastic packaging, and also to recycle all waste plastic.

If a natural language can be compared to a tree, which has developed during the course of time, Esperanto can be compared to a plastic tree, which was created artificially.

Plastics have taken the place of many conventional materials.