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Shop online for Custom Window Envelopes and get free fast shipping! Use printed window envelopes to mail checks, invoices, letters or other documents. The plastic film window lets you display a pre-printed mailing address. Custom print your return address and logo in the top left corner to personalize your envelopes. Choose from a variety of options, colors, and window envelope sizes.
Personalize your envelopes with your logo and return address. Print in black ink, 1 or 2 colors, or full color ink. Black ink offers a lower cost option, and looks best on a colored window envelope. One or two color ink offers a budget-friendly way to help your logo stand out. Grab attention and match your brand colors with full color printing.
Using for business? The most popular envelope options are custom #10 window envelopes. This envelope measures 9 1/2 in. wide by 4 1/8 in. tall and also features a standard window size. A standard document (8.5 x 11) fits perfectly when folded.
Need options? Customized window envelopes have convenient features like security tint and self seal. Custom security envelopes feature a pre-printed privacy tint inside the envelope, to help hide sensitive information. Ideal for mailing medical, legal, or financial documents. Custom self seal envelopes, available in both peel & seal or flip and seal, provide a quick and mess-free way to close and seal your envelopes.
In addition, you can choose from several popular sizes. Mailing letters? Choose custom #10 envelopes. Sending checks or invoices from accounting software? Choose check envelopes. Need to mail a packet of documents without folding? Choose custom 9x12 window envelopes.