5 Sheets White Foam Boards--Sand Table Building Model Materials 2mm / 3mm Thick Foam PVC Sheet Poster Board Mount Board for Mounting, Crafts, Modelling, Art, Display, School Projects - Walmart.com
Amazon.com: PVC Foam Board Sheet - 12" x 24" - Black - 6mm Thickness - Used in Signboard/Display, Digital & Screen Printing, Crafts, Modeling, Photo Mounting, & Theatrical Props - Lightweight &