Excelsis Design 15 Pack Foam Board 11.7x16.5 Inches | Black Foam Board 1/8 Inch Thick Black Core Mat | Backing Board for Presentations, Signboards, Arts, Display and Crafts with Double-Sided Sheet :
A1 Foam Board Sign Printing
LEISHENT Foam board Arts and Crafts Supplies Thick - 3cm/1.81inch,1 pcs,Blue,20x30cm : Amazon.co.uk: Toys & Games
A1 Foam Board – White (Pack of 10) – 5 mm thick – Protectafile
LEISHENT Foam board Arts and Crafts Supplies Thick - 3cm/1.81inch,1 pcs,Blue,20x30cm : Amazon.co.uk: Toys & Games
Pink Foam Board 1/2 Thick 6 Pieces-1sqft Each Foamular - Etsy UK
Cathedral A1 Foam Board - White (Pack of 10) 5mm thick on OnBuy
Foam Board 1/2 inch Thick 20x30 inch White - merriartist.com
A1 – 5mm White Foamboard (10 Sheets) - foam-board.co.uk
A1 WHITE Foamboard for Mounting - 5mm thick x 10 Boards
Foam Board Size A4, A3, A2, A1, Thickness 3mm, 5mm, 10mm, Colour, White or Black | eBay