Best Interoffice Envelopes of 2026

The Quality Park Interoffice Envelopes are made from heavyweight 28 lb. paper stock that is durable and can keep your documents safe during transit. The holes punched on both sides of the envelope allow for visual confirmation of the contents without opening, and the 5 columns on each side with narrow ruling maximize space for signatures. The string-and-button closure is convenient for reusing the envelope, easy to open and close repeatedly. This product is packed in 100 counts to reduce the frequency of repurchasing.

The Blue Summit String Tie Envelopes are made from strong 28lb manila paper, making them durable and perfect for reusing in your office. Their sturdy construction ensures your documents stay protected during internal mail. These envelopes feature a string and button closure, which keeps your papers secure and easy to open when needed. With a size that fits documents up to 10 by 13 inches, you have plenty of space to store important files. Plus, pre-printed lines let you quickly add your name and department, making it simple to track where the envelope is coming from or going to in your workplace.

Office Depot Interdepartment Envelopes are ideal for efficient correspondence between departments. With their string and button closure, they keep your contents secure and can be reused multiple times. Made of durable 28-lb kraft material, these envelopes are built to last. Additionally, they are a greener choice as they contain 20% post consumer recycled content. These envelopes are perfect for organizing and sending important documents within your office, ensuring they reach the right department in a timely and secure manner. The Office Depot Interdepartment Envelopes offer convenience, durability, and sustainability all in one package.

The Great Papers! A9 Envelopes come in a pack of 40, giving you plenty of envelopes for your mailing needs. Each envelope measures 8.75 by 5.75 inches, a convenient size for invitations or special stationery. They feature a gummed adhesive, making it easy for you to seal them securely without extra tape or glue. These envelopes also coordinate nicely with Great Papers! holiday stationery and 2-up invitations, helping you create a matching and polished look for your correspondence. Whether you're sending invitations or notes, these envelopes offer both style and practicality.

The Quality Park Interdepartment String & Button Closure Envelopes are made of heavyweight 28 lb. blue stock, which is durable and long-lasting. The holes punched on both sides of the envelope provide visual confirmation of the contents without opening. With 5 columns on each side and narrow ruling, you can maximize the space for signatures. The string-and-button closure design makes it easy to open and close repeatedly, which is convenient when reusing the envelope. Packaged in 100 counts, the envelopes offer great value, reducing the frequency of repurchasing.

The Quality Park String-Tie Envelopes are designed to be reused multiple times, offering space for up to 63 entries, which helps you save money and reduce waste. Made from sturdy 28-pound brown Kraft paper, these envelopes resist rips and tears, keeping your documents safe during interoffice mailings. The string-tie closure allows you to easily open and close the envelope, giving quick access to your contents without damage. Plus, the envelopes come with three pre-printed columns for important information, making it easier and faster for you to organize and track your mail within the office.

The XERTAS Jumbo String-Tie Envelopes are designed with your convenience in mind. Their extra-large 12x16 size gives you plenty of room to store and transport large documents like blueprints, artwork, or maps without folding them. Both sides of each envelope are printed with space for up to 71 entries, making it easy to keep track of contents and departments. The string-tie and button closure system ensures your materials stay secure, while the ungummed flap allows you to reuse the envelopes multiple times. With heavyweight 28-lb paper stock, these envelopes provide durable protection for your important items.

The Quality Park Interoffice Envelopes are designed for durability and ease of use. Made from heavyweight 28 lb. red stock, they can withstand regular handling without tearing. The envelopes feature holes on both sides, allowing you to quickly check contents without needing to open them. With five columns on each side, there’s ample space for signatures, making them perfect for important documents. Additionally, the string-and-button closure allows for easy reuse, so you can open and close them multiple times without hassle. These features make the envelopes a practical choice for any office environment.

The Blue Summit Envelopes are designed with durability in mind, crafted from heavyweight 28 lb. paper stock. This means you can trust them to hold up during transit and keep your documents safe. They feature convenient hole punches on both sides, allowing you to easily verify the contents without opening the envelope. With a thoughtful design that maximizes space, these 9" x 12" envelopes include five columns with narrow ruling, perfect for organizing your documents. Plus, the string-and-button closure provides easy access while ensuring your items stay secure.