Quality Park, Catalog Envelope, Redi-Strip, White, 6x9, 100 per box (44182) PROFESSIONAL FINIISH: Bright White paper makes for a fresh, clean appearance perfect for any use SECURE: The firm Redi-Strip is so easy to use, just remove the strip and press. No need to worry about contents falling out! MULTI-PURPOSE: These 6x9 envelopes can easily fit folded letters, documents, CDs, etc. These white envelopes can be used for virtually anything you need them for! REDUCE WASTE: Not only will the Redi-Strip save your time, it will save your money! These envelopes have a longer shelf life thanks to the peelable strip that protects your adhesive from dust! RELIEF: Our envelopes are set for quick, safe, fist class mail delivery so you can send out your packages stress-free