Amazon.com: Mat Board Center, Pack of 10, 16x20 Self Adhesive Foam Board for Picture and Poster Mounting, Lightweight White Color Foam Board for Crafts, Artworks, School Projects, 3/16 inches Thick : Office Products
A1 Self Adhesive Foam Board 5mm White (Box of 10)
Artfoam Adhesive Foam Board - SignGround
Artfoam Adhesive Foam Board - SignGround
Foam Core Board White (Adhesive Backed) A3 10 pack – Educational Art Supplies