plastic material
Technical term used in materials science and engineering. Refers to a material that can be molded or shaped, typically a plastic.
This product is made of plastic material.
Compound of 可塑 (かそ, 'plastic, moldable') and 材 (ざい, 'material'). 可塑 is itself a Sino-Japanese term from 可 (possible) and 塑 (model, mold).