Quality Park, #10 Envelope, Redi-Seal, White, 500 per box (11118) SECURE: Redi-Strip seak-adhesive closure will ensure your contents stay safe with the licking factor out of mind 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! PROFESSIONAL FINIISH: Bright White paper makes for a fresh, clean appearance perfect for any use. DURABLE: Heavyweight 24-lb. paper stock ensures no rips or tears FEATURES: 500, #10 Redi-Strip Envelopes