The Luxor MGB3040 is a Mobile Glass Marker Board which has tempered 5/16" ( 8mm ) thick glass. Glass is the ideal surface for wet/dry erase markers. They will not stain or ghost. Silver finish on Steel frame. Comes with 4 locking non-marring grip swivel casters for easy mobility. 30"W x 40" H Board size. 35"W x 68"H x 24"D Frame size. The lock and pivot system allows the glass to tilt up to 8 degrees in each direction.