What's the difference between ACRYLIC and GLASS LED Writing Board?

Acrylic LED Writing Board is lighter, stronger and more impact resistant than Glass board, but it is much easier to be scratched than Glass boards.

Glass LED Writing Board is much clearer, which have a higher light transmission than Acrylic boards, but it's fragile and easy to be broken.
More information about LED Writing Board, pls read: http://www.ledwritingboard.cn/company/tempered-glass-writing-panel.html

Zhengdian LED Writing Board