Heels are shoes featuring an incline on the heel. Heels could be a separate piece from the outsole or a wedge heel that runs the entire length of the outsole. The heel provides elevation and can be found in many different shapes, including block, tapered, blade, and wedge. Heels can also be many different heights such as Kitten Heel, Stilleto Heel, Low Heel, Mid Heel or High Heel.
About Plastic:
Plastic is a term generally used to describe synthetic solid materials made from organic polymers which are easily modeled and shaped during the manufacturing process to create a wide variety of shapes and densities.