USPS.com FAQs. Loading. ×Sorry to interrupt. CSS Error. Refresh.

500 Pack #10 Double Window Security Self-Seal Envelopes - Suitable Size for Multiple Business Statements, Quickbooks Invoices, and Return Envelopes, Size 4-1/8 x 9-1/2 - White - 24 LB

Buy Window Envelopes at Staples and get Free next-day delivery when you spend $35+.

When it comes to ordering an envelope, it's important to understand which sizes are standard and most popular. Listed below is a wide range of standard sizes for a variety of different envelope types and …

All standard commercial envelope sizes with a window have the same window size and position. Measuring 4½″ wide and 1⅛″ deep, the window is positioned on the left-hand side ⅞″ from the left …

Standard Envelope Size Standard Window Sizes and Positions

A guide to envelope windows including the placement and size of the window, covering C6, DL, C5 and C4 envelopes.

Choose from the largest selection of single window envelopes and double window envelopes in stock and ready to ship. We offer a wide selection of sizes, as well as colors. Want to customize your …

Feb 13, 2018 · At a minimum, windows should be placed 1/2″ from the side and the bottom of the face of the envelope to ensure adequate room for patch adhesive. Standard placement is 7/8″ from left and …

To measure the window’s position on the envelope, begin from the envelope’s left side. For instance, start 1” off the left side. Step two is to measure from the bottom to the point where you want the …