Product Review

Quality Park #10 Double-Window Security Envelopes have self-sealing flaps to save you time and money. The unique REDI-SEAL envelope has a double-flap design that keeps adhesives from sticking prematurely—just raise the bottom flap & press to seal. The double-window format displays the sender & receiver addresses on business statements, invoices & legal documents produced by standard business and accounting software programs. A security pattern lines the interior to keep sensitive contents secure. Stock up on this never-out essential for bulk mailings, payroll and billing cycles!

#10 Double-Window. White Wove. 4-1/8 x 9-1/2 inches. 500 Per Box.

Mail Faster & Cheaper: Quality Park #10 Double-Window Security Envelopes have self-sealing flaps that save you time and money on mailings.

No Waiting, No Wastage: Our ingenious REDI-SEAL envelopes don’t require moisture, seal instantly, and keep adhesives from sticking prematurely—just raise the bottom flap in place, press & seal; you’ll never find ruined pre-sealed envelopes in the box.

Trusted Double-Window Format: Double-windows display the sender & receiver addresses for business statements, invoices & legal documents prepared by most business and accounting software programs.

Protect Yourself & Customer Data: Shield social security & account numbers with a security tint that makes envelopes difficult to see through; a complex security pattern scrambles the appearance of text as an added measure of safety—an important piece of your liability protections.

Eliminate the Yuck Factor: We promise you won't miss licking envelopes or those drippy moistener sponges in a cup! REDI-SEAL envelopes bring mailing into the modern era with a tidier, more hygienic alternative to standard envelopes.

Stock-Up Quantities: Boxes with 500 envelopes ensure you're never in short supply.