Art supplies:lingin free and acid free outer size:32*44", thickness:3.0mm,2ply core:cream Art supplies:1. professional manufacture of mat board(matboard, mount board, card board, pre-cut mat board)2. white core, black core,cream core mat board3. thickness: 0.8 --3.0mm4. size: 30*44inch, 32*40inch, 30*42inch, 40*60inch and other sizes are available;5. bevel cut, reverse bevel cut, V-groove, multi- ...