I was rather bored after receiving mine, and I used my acrylic paints to customize it a little. :) Now it has a Portal logo, and hasn't scratched off! So this is brilliant.
It's lightweight, the texture is smooth and the magnetic strap works perfectly, backward or forward to hold the cover out of the way.
My only complaint is that the plastic backing is a tad too long at the top, giving it a little bit of an edge, that is rather sharp. But this hardly comes into mind when I'm using it. All in all, brilliant product.