It is thickly laminated and is printed on premium glossy (200 g) UV resistant paper and comes with 2 sided lamination (75 micron) . It comes in a convenient poster size 98 x 68 cm and can be written on and wiped off with non permanent markers. The 75 micron lamination ensures the chart does not curl up at the edges and the UV treatment ensures the chart does not get a faded yellow color over time.