Use our Create Your Own design to personalize this #10 security lined window envelope your way. These envelopes can be printed in Full Color ink on durable 24# white wove stock with a cellophane window with a gummed flap. Use your company branded envelopes to mail out all your customer correspondence and ensure confidentiality with the blue litho lining. Upload your logo for free or design your own using our easy interface. Available in quantities of 50 - 10,000 pieces. 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.