Use our Create Your Own design to personalize the way you want. These are printed in Black ink only on durable 24# white wove stock and have a gummed back flap. These #10 window envelopes are perfect to mail out all your correspondence with your company information on them for easy recognition. Upload your B&W logo for free or design your own using our easy interface. Production time is 2 business days plus shipping time. The window starts .875" from left edge and is 2.5" inches from top edge and 0.5" from bottom edge. Actual window size is 4.5" x 1.125" and there needs to be a .0625" clearance around the window itself. All envelopes require a 0.25” margin on all sides and no bleeds are allowed.