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Shop by Size

The sizes and positions of windows may vary greatly, and depending on the manufacturer. Use the menu on the left to find the envelope size that you are searching for.

Window envelopes are most often used for bills, though they're also popular for marketing purposes. They are cost-efficient, since the name and address shows through the window, eliminating the need to address the envelope. The most common (and recommended by USPS) window size is 1 1/8 x 4 1/2, and the position 7/8 in from left and 1/2 (often 5/8) in from bottom, but there are lots of variations. You will find window size and placement measurements along with the product description prior to checkout

There are no international standards yet for window envelopes. Some countries have set their own national standards, for instance:

Germany: The window is 90 x 45 mm large, and its left edge is located 20 mm from the left edge of the envelope. The bottom edge of the window is located 15 mm from the bottom of the envelope (for C6, DL and C6/C5 envelopes). For C4 envelopes, the top edge of the window should be either 27 mm or 45 mm from the top edge of the envelope.

UK: The window on a DL envelope should be 93 x 39 mm large, and located 20 mm from the left and 53 mm from the top of the envelope.

Call us at 800.379.7969 if you need help with your envelope choice or custom formatting is required.