Quality Park Extra-Rigid Fiberboard Photo/Document Mailers, 6 x 8 Inches, Box of 25 (64007) SECURE: Redi-Strip self-adhesive closure will ensure your contents stay safe with the licking factor out of mind MULTI-PURPOSE: Use this for photos, important documents, CDs, books, certificates, etc. EXTRA- RIGID 6x8: Pack of 25 Envelopes, with Redi-Strip closure for convenient closure and Tear Strip for easy opening RIGID-FIBERBOARD: No more bent contents! Rigid Fiberboard will resist any bending so your contents arrive at their destination in pristine condition! PROFESSIONAL FINISH: Clean, crisp white color gives it a professional appearance