550 SELF Seal Double Window Security Envelopes - Designed for QuickBooks Checks, Business Checks, and Computer Checks - Security Tinted - Peel & Seal - 3 5/8” x 8 11/16” - 24 LB (NOT for INVOICES)

Premium quality, unparalleled value, and maximum protection--guaranteed to fit QuickBooks and computer checks perfectly!

Mail your checks and business correspondence with confidence and style--our double window security envelopes are attractive, secure, and easy to use. Our envelopes feature protective and elegant 24-pound white wove paper stock and are engineered to deliver a secure, hassle-free mailing experience.

The use of double-window self-seal security envelopes for business documents is beneficial for both the sender and the recipient-a few of these benefits are:

Double-Window Design Is a Time Saver

The windows on these security envelopes line up perfectly with the sender and recipient information on standard QuickBooks checks (and most standard computer checks). Send up to 550 checks quickly and easily!

Perfect for Businesses and Small Business Owners

Everything about this envelope-from the window placement, to the speed seal strip, to the security pattern-has been designed with QuickBooks users and business owners in mind, making the process of mailing checks easy!

Added Privacy and Security

Thick 24 lb. white wove paper and a powerful security pattern protect your private information as well as your clients' and employees' personal information while in transit-mail checks with confidence knowing that your sensitive data is protected!

High Quality Strip-and-Seal Adhesive

A speed seal flap with our top-of-the-line adhesive ensure that these envelopes are easy to use while providing an ultra-strong, permanent seal.

Office Elite's SPEED SEAL double window security envelopes: premium quality, unparalleled security, and exceptional value (featuring a long-lasting supply of 550 envelopes per box). Take advantage of our limited-time sale price: scroll up and click the Add to Cart button today!