1/8" thick foam board is perfect all general photo mounting purposes or as a rigid backing board. Purchase this foam board online from today.
5/4 in. x 6 in. x 16 ft. Primed Finger-Joint Board 760974 - The
Gator Board - Black/Black - 4' X 8' X 1/2 - Set Shop NYC
Board Insulation at
R-Tech 1 in. x 48 in. x 8 ft. R-3.85 Insulating Sheathing 320821
MBC Mat Board Center, Pack of 10 Acid-Free Foam Boards
1/8 Bainbridge Acid-Free Foam Core Backing - 4 x 6
1/8 White Foam Board Shop 1/8 Ultra Thin White Board in Pre
Adhesive Foam Boards 4X6 (10) By
Foam Poster Boards