High Impact Polystyrene (HIPS) sheet is obtained by blending standard styrene with impact-improving additives. Due to the combination of versatility, easy processing and good value polystyrene is one of the largest volume thermoforming plastics.

The surface allows for good ink adhesion with the end product rich in looking, durable and functional. It is available in white and black sheet and is most often used in applications of temporary or disposable nature.