Simply peel off the release strip and press! With Office Depot self-seal envelopes, you will get your mailing tasks done quickly and easily. Save time mailing your documents, so your clients can get them sooner. Office Depot self-sealing envelopes are made from white wove paper for durability. Office Depot Clean Seal envelopes form a secure seal quickly, with no moisture required. Office Depot Brand Clean Seal catalog envelopes feature an open-end design. Allows you to fill envelopes quickly and easily. Catalog envelopes' 6in. x 9in. size is ideal for most general mailing. Kraft paper provides ideal opacity. Office Depot(R) Brand Clean Seal(TM) Catalog Envelopes, 6in. x 9in., Kraft Brown, Pack Of 250 is one of many Catalog Envelopes available through Office Depot. Made by Office Depot.