Technical / FAQs

How to Measure a Window and its Position

Regardless of the window(s) or print orientation, always place the envelope in front of you with the flap at the top before measuring a window and its position. Always measure the height of the window first, then the width. The first measurement is always considered the height and the second measurement the width. This indicates whether the window is vertical or horizontal to the flap. The position of the window should be measured from the left fold line of the envelope to the left of the window and then from the bottom fold line of the envelope to the bottom of the window.

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