High Impact Styrene have a good combination of dimensional strength, impact resistance and heat resistance. It is also non-toxic, odorless, easy to fabricate and machine. These characteristics make High Impact Styrene a popular choice for model building, sign making, POP displays, and non-load bearing applications. Acme Plastics' High Impact Styrene Sheets come in black and natural colors as well as a variety of thicknesses. Acme Plastics has Sample High Impact White Styrene Sheets.