EnDoc 500#9 Double Window Envelopes Self Seal, 3 7/8 x 8 7/8" Security Tinted Envelopes for Invoices & Statements, Business Mailing Envelopes with Windows, Bright White 24lb Paper no. 9

Self-seal window envelopes come with an adhesive strip covered by a protective layer that you peel off to seal the envelope quickly and securely. This makes them convenient and mess-free, perfect for …

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

A window envelope made of heavier wove paper creates a strong barrier around your paperwork to ensure documents stay intact and look fresh. Gummed or peel-away strips keep contents securely …

Choose from our wide selection of window envelopes, including standard, special, and double window envelopes. Find the perfect fit for your document - ideal for forms and invoices.

Shop window envelopes with security tint and double windows. Sizes include #10, #9, and more. Features include self-seal, press-and-seal, and clear plastic options for perfect mailing solutions.

Discover window envelopes in a range of sizes to fit your mailing needs. Benefit from security tint and self-sealing closure for added protection.

Window envelopes are a type of mailing envelope that features a clear plastic window on the front of the envelope. This window is designed to display the recipient's address that is printed on the letter or …

Standard window envelopes are the most popular style window envelopes used in business and everyday mailings. They are usually printed with a return address in the upper left corner and the …