Pinit Museum Grade Mounting Board. Crescent® 100% Cotton Rag 18 x 24" 4-Ply (.060" thick). Available in White or Ivory. SKU: kmb1824mg4 (0)No Reviews yet Add to Shopping Cart Details Museum Grade Mounting Board Crescent® 100% Cotton Rag - White or Ivory 18 x 24" x 4-Ply .060" thick. Acid-free, lignin-free, buffered, speck-free,... Details Back DetailsMuseum Grade Mounting Board Crescent® 100% Cotton Rag - White or Ivory 18 x 24" x 4-Ply .060" thick. Acid-free, lignin-free, buffered, speck-free, impurity free. Use for mounting 11 x 17", 12 x 18", 13 x 19" images.Click on drop-down to choose a color. Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review