Heavy-duty poly envelopes resist tears, repel moisture and are available in bright translucent colors for easy organization. Gusset expands up to 1 1/4" to accommodate bulkier materials. Heavy-duty string and button closure is designed for everyday use. Acid-free, PVC-free and archival-quality. Vertical orientation. Envelope/Mailer Type: Interoffice; Envelope Size: 9 3/4" x 11 5/8"; Closure: String & Button; Flap Type: Hub.
Heavy-duty polypropylene envelope resists tears and repels moisture. String-tie closure secures contents. Top-loading envelope features 1-1/4" gussets, big enough to hold more than 200 sheets of paper. Acid-free envelope offers archival quality storage.