Expanded White Polystyrene Foam Sheets (EPS) White Rigid EPS70 SDN Floor Insulation Sheeting - Polystyrene foam sheets are soft and flexible sheets of foam used to cushion fragile items (e.g. glass and ceramics). Our sheets are also used in the building trade. The sheets are white in colour, rectangular shaped and provide full coverage to items. The sheets are non-abrasive and will keep your items free from any unwanted scratches and marks during transit.