Expanded Polystyrene Sheets 600 x 400mm available in various thicknesses. These sheets are cut from EPS 150, Extra High Density polystyrene so are of an excellent quality. Can be used for insulation, craft work or even high grade packaging. If you don’t see the size of sheet you need listed here, please email us for a quote as we can cut larger sheets. You can also cut the sheets down smaller with a sharp knife or hot wire.