Rising Museum Mounting Board is the first choice of framers, museums and conservators for the mounting, matting and preservation of fine prints and precious documents. Rising Museum Boards consist of 14 colors and manufactured with 100% cotton. The boards are acid-free, Neutral pH and buffered with calcium carbonate. Rising boards are sized for French matting and many artists use the boards for various fine art techniques such as drawing, charcoal, pastel, silkscreen and letterpress.