Staples Double‑Window Business Envelopes, White, Gummed Closure, 9" x 4.2", 1000/Pack

Complete office work with ease with these laser-friendly invoicing and shipping envelopes. With two carefully-positioned windows, these envelopes let you print documents with addresses for fast and hassle-free shipping. The 24-pound woven white paper and gummed closure flap give these envelopes a professional, groomed appearance while making it simple to complete office mailings.

Laser-Form Compatible
With two distinct square windows for recipient and sender information, these envelopes work with your laser printer to create office documents such as invoices. Sized and designed specifically for mailings, these envelopes let you print recipient and sender information directly on your documents and place them in the mail, saving you time and hassle while preventing mistakes.

Heavy, Woven Material
These envelopes are made with 24-pound white paper, making them durable enough for your heavy-duty projects. The woven paper offers a rich, professional look and extra security. Every pack contains 1,000 envelopes, so you spend more time working on your projects and less on restocking supplies.

Gummed Closure for Office Use
Glue that moistens easily on the closure flaps of these envelopes makes them compatible for office use. Square flaps provide an extra security feature while providing protection from external damage and wear and tear. The non-standard size ensures documents fit comfortably within these envelopes.