Worown 20 Pack A4 (300 x 217mm) Foam Board, 5mm Thick Polystyrene Foam Sheet for Model Making, Mounting Photos, Presentations, Arts and Crafts Projects (White) : Amazon.co.uk: Stationery & Office Supplies
Large White Polystyrene Sheets 1.5mm (60 thou) Thick x 2
5 Small White Rigid Polystyrene Foam Sheets Boards Slabs - Size 600mm Long x 400mm Wide x 10mm Thick - EPS70 SDN Floor Insulation Sheeting Packing Void Loose Fill Filler Protective :
12 X 24 X .060 Thick BLACK STYRENE Polystyrene Plastic Sheet 5 Pack Printing Crafts Models - Etsy UK