I ordered the dust, as many have written in here that he was "perfect for the Logitech G15" keyboard is ... I can only say: It is definitely NOT for (actually the same size) G11 keyboard from Logitech.
Therefore, I will send the thing back.
Otherwise but certainly no worse protection for full-size keyboards ... "universal" is this dust cover but certainly not when both the length and width of some missing to enclose a great gaming keyboard.