A3 Imported Photo Mounting Boards

-A smooth white backing board. Use for economical framing -An ideal choice for many specialty DIY framing projects, such as framing newspaper articles, which require a dark back to prevent "ghosting" (the newspaper's backside showing through to the front page) 100% acid free backing board. -Recommended for artwork that requires preservation -Mounting material Available sizes.A1,A2,A3,A4,/A5.