What Is Thermoforming? How Did Plastic Packaging Get Its Start?

Thermoforming Defined Do you remember Shrinky Dinks®? Back in the 1980’s, Shrinky Dinks were a popular craft for kids made of flexible sheets of plastic or polystyrene. Children could cut the plastic into fun shapes, color them, and heat them in the oven to make their own key chains, earrings, pendants, stickers, and such.  The […]