This is an AG2 Anti-Glare Screen Protector for Alienware M18x (first released 2011). It protects and transforms your screen, providing a medium matte finish that gives you glare reduction with exceptional clarity.
The AG2 anti-glare coating is designed to provide an excellent medium between Anti-Glare and Glossy. AG2 itself stands for Anti-Grain Anti-Glare; many matte and anti-glare finishes create heavy distortion and obvious visual "grains", but the AG2 coating manages to pack 60% of a standard Anti-Glare coating's glare-reducing abilities while being almost as clear as a glossy screen.