Order Custom Window Envelopes and get free shipping! Use these envelopes to mail checks, invoices, and letters. Display a pre-printed mailing address through the window. Customize your envelopes with your logo, return address and other artwork.
Custom Window Envelopes feature a plastic film window. This is ideal for mailing documents. Popular sizes include #10, #9, and also #8 5/8. Use #10 for mailing standard letters and invoices. #9 envelopes are perfect for mailing checks, or anything that needs a snug fit. For more sensitive information, choose envelopes with a security tint inside.
Customize your envelopes with your company logo and return address. Ink options include black, 1 color, 2 color, and full color. Choose black or 1 color for a more lower cost option. Select full color to make your brand stand out from the stack. Sealing options include traditional gum seal, and easy-to-use peel and seal.