Kraft Gator Board
Kraft Gator Board has a matte natural-kraft color surface and white foam core.
Gator Board has a very rigid poly surface which is resistant to moisture, unlike foam board which is foam covered with lightweight paper stock.
Gator Board is an extruded polystyrene foam encased between layers of a melamine and wood fiber veneer.
Gatorfoam / Gator Board has a much harder outer surface than other foam core boards and resists warping.
Gator Board is not an acid free material, so you should check before using it for items which will be displayed
in museums or other permanent archives.