Quality Park QUA63561 Brown Kraft String and Button Interoffice Envelope, 10" x 13", 100 per box. These interdepartmental envelopes are designed for transferring important reports, orders, and other paperwork between departments. Made from durable 28-pound brown kraft paper, they stand up to repeated use in busy office environments.

Each envelope features a string and button closure with a wallet flap to keep contents secure and confidential. The two-sided five-column format includes preprinted routing fields for Date, Deliver To, Department, Sent By, and Department, with space for up to 52 entries. Six punched holes allow quick inspection to determine whether contents remain inside without opening the envelope.