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The only problem is the sticker is Vertical,not Horizontal.
Judging by the shape of Alta, the top would be about 4" or 5" angling down to about 3"-3 1/2"
I think it will be mainly for the back window, not the bumper.
And if one was to be made small enough for a bumper, one wouldn't be able to see the important things on it (the fte logo, alberta chapter, etc), but who knows how the sticker will turn out.