BEST
Museum-Grade 'Cotton Rag' Mat Boards

Crescent® Brand Conservation MUSEUM Grade Cotton Rag Matboard - Use this board when top-of-the-line matboard is required for matting and framing. 

 Board Specifications:
• Comes in White or Ivory, solid color throughout.
• Available in 2-ply and 4-ply
• 100% cotton fiber, lignin- and acid-free, speck-free, impurity-free
• Buffered with calcium carbonate to an alkaline reserve of 3-5%.
• Approved by the Library of Congress for use with art & prints for Indefinite Display.