Quality Park #9 Double-Window Security Envelopes are perfect for quick invoicing and billing. Redi-Seal envelope design keeps adhesives from sticking prematurely—just raise the bottom flap and press to seal. Double-window format displays sender and receiver addresses for statements and invoices. Opaque envelopes have a tint and security pattern that makes them difficult to read through, keeping sensitive contents secure. Essential for bulk mailings, payroll and billing cycles.#9 Double-window invoice envelopes. Self sealing. 24 lb White wove paper. 3-7/8" x 8-7/8". 500 Per box.FASTER WAY TO FOLD, STUFF & SEAL: Your time is too valuable to spend licking envelopes. Self-sealing closures work without moisture to get invoices out on time.PATENTED TO PREVENT WASTE: Redi-Seal envelopes have folded flaps that won't stick prematurely—raise the bottom flap in place, press and seal.PROFESSIONAL BUSINESS FORMAT: Double windows reveal sender and receiver addresses to fit common invoices and statements. Made with modern side-seam construction in crisp, bright white.ENHANCED PRIVACY PROTECTIONS: A security tint with complex pattern obscures letters and numbers, even when held to light.ELMINATE YUCK FOR LESS: Goodbye drippy moistener sponges! Redi-Seal envelopes offer an affordable self-sealing alternative to standard envelopes.STOCK-UP BOXES: Office-friendly 500-envelope quantity keeps necessary supplies on hand for high-volume mailings.
- Quality Park Double Window Envelopes display both sender and receiver addresses for mailing statements and invoices. Features a special Redi-Seal self sealing closure. Simply lift the bottom flap and press to the top flap for an instant, secure seal. A reflex blue pattern protects sensitive client information because it obscures the details of the contents, even when held up to light. These 24 lb white wove envelopes have side seams for a clean, professional look.
- Double window envelopes display sender and receiver addresses for invoices and billing statements
- The uniquely designed Redi-Seal self sealing closure requires no moisture; envelopes have double flaps that press together for an instant seal
- Protect sensitive client information with a reflex blue pattern that obscures the details of the contents, even when envelopes are held up to light
- #9 Envelopes: 3-7/8" x 8-7/8"; top window: 1-3/16" x 3-1/2"; 3/8" from left; 2" from bottom; bottom window: 1" x 4"; 3/8" from left; 1/2" from bottom
- Quality Park Double Window Envelopes display both sender and receiver addresses for mailing statements and invoices. Features a special Redi-Seal self sealing closure. Simply lift the bottom flap and press to the top flap for an instant, secure seal. A reflex blue pattern protects sensitive client information because it obscures the details of the contents, even when held up to light. These 24 lb white wove envelopes have side seams for a clean, professional look.
- Double window envelopes display sender and receiver addresses for invoices and billing statements
- The uniquely designed Redi-Seal self sealing closure requires no moisture; envelopes have double flaps that press together for an instant seal
- Protect sensitive client information with a reflex blue pattern that obscures the details of the contents, even when envelopes are held up to light
- #9 Envelopes: 3-7/8" x 8-7/8"; top window: 1-3/16" x 3-1/2"; 3/8" from left; 2" from bottom; bottom window: 1" x 4"; 3/8" from left; 1/2" from bottom
