Polymer clay is a sculptable material based on the polymer polyvinyl chloride (PVC). It usually contains no clay minerals,
and is only called "clay" because its texture and working properties
resemble those of mineral clay. It is sold in craft, hobby, and art
stores, and is used by artists, hobbyists, and children for making many
items, such as charms, artwork and other crafts.
Polymer clay sculpting is one of my hobbies and also my source of income. I make little things out of polymer clay and sell them online.