• 100% cotton rag fiber
• Pass PAT
• Acid - free and lignin - free
• Buffered with 3% calcium carbonate
• PH 8.0 to 9.0
• 4-ply (¹/16” thick)-55 point

25 per package

*Solid boards, no pre-cut windows 

Tips:

• Cut your own opening with Logan Mat Cutters.
• For mounting try the Sectional Frames and a variety of mounting accessories
• Use Polyethylene Bags or Art Protectors to store your matted prints.