A0 - 841 x 1188 mm Foam Board 3mm (15 pack) white | eBay
Plain White PVC Foam Board, Thickness: 2, 3, 5, 8 mm
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White Plain PVC Foam Sheets 2mm , 3mm, 5mm, Thickness: 2 to 18 mm, Size: 8x4
Kapa Line foam board white 8'x 4' (1220x2440mm) 5.0mm thickness
Polystyrene Foam | Styrofoam | The Foam Shop - LovelyTeik
White/Black PVC Foam Board Plastic Model Sheet Material for DIY Model Part Accessories Thickness 1mm/2mm/3mm/4mm/5mm-18mm - AliExpress