3mm Smooth White Foam Board. Packs of 4 . A4 to A1 3mm Smooth White Foam Board. Packs of 4 . A4 to A13mm Smooth White Foam Board. Packs of 4 . A4 to A1 - Vesey Gallery
Cathedral A1 Foam Board - White (Pack of 10) 5mm thick : Amazon.co.uk: Stationery & Office Supplies
A1 Foam Board Sign Printing
Black/Grey Foam Board 5mm – graphicsdirect.co.uk
3mm White Foamboard A1 15 Sheets | Prizma Graphics
Foamboard - White 3MM (Pack of 5) - Atlantis Art Materials
Foam Board - A1 White Foam Board 3mm - £7.47 - Pegasus Art