1/8 thick foam board is perfect all general photo mounting purposes or as a rigid backing board. Purchase this foam board online from
Foam Sheet Neon Green 2Mm Thick 9 X 12 Inches
PRIMED PANELS - Hull's Art Supply & Framing
Buy Mount White (White Core) 14x18 cm (9x12) here
Bora Foam Insulation Board 2.5 Inch Styrofoam Sheets for Sale
Classic Style Movie Poster Frames 9x12 with Mat Board - Metal Picture Frame – PosterDisplays4Sale
1/8 thick foam board is perfect all general photo mounting purposes or as a rigid backing board. Purchase this foam board online from
9x12 Foam Board 1/8
9x12 Traditional Mahogany Complete Wood Picture Frame with UV Acrylic, Foam Board Backing, & Hardware - Bed Bath & Beyond - 38547292
9 x 12 White Foam Board
Viewpoint Acid-Free Black Foam Backing 8x10 is 1/8 thick and easy to cut. Perfect for displays, protecting the back of a frame, or a hundred other
Viewpoint Acid-Free Black Foam Backing 8x10, 1/8 Thick 5 Pack
R-Tech 1/2 in. x 48 in. x 8 ft. R-1.93 EPS Rigid Foam Board Insulation 320810 - The Home Depot