Othmro 1pc PVC Foam Board, 30cm x 20cm/7.87"x11.81"- 3mm Thick Foam Sheets, Black Craft Sheets for Cosplay, Paper Scrapbooking, DIY Arts and Crafts Projects : Amazon.co.uk: Stationery & Office Supplies
5mm 8ft x 4ft (1220mm x 2440mm) Matt Black Rigid Foam PVC sheet Foamal – Bigvizualdisplayuk.co.uk