Experience the reliability of Quill Brand® with these #9 double window envelopes, perfect for securing sensitive documents. Each box contains 500 gummed, tinted envelopes crafted from high-quality paper, ensuring your correspondence is both professional and confidential. The rectangular shape and dimensions of 3-7/8 x 8-7/8 provide a standard fit for most business correspondence. With a closure type that ensures contents are sealed and tamper-evident, these envelopes are an essential for any office or home that handles sensitive information. The white color offers a classic, professional look, while the unit quantity of 500 envelopes means you’ll have plenty on hand for all your mailing needs.