Introducing the 500 Self Seal QuickBooks Double Window Security Check Envelopes, designed specifically for business laser checks. These envelopes feature ultra-security tinted windows that provide an added layer of privacy, ensuring your sensitive information remains confidential. Each envelope is crafted from high-quality 24lb paper, offering durability and a professional appearance.

The self-adhesive peel and seal closure makes mailing quick and hassle-free, allowing you to securely send your checks without the need for additional sealing materials. Measuring 3 5/8 x 8 11/16 inches, these envelopes are perfectly sized for standard business checks, making them an ideal choice for any business looking to streamline their payment processes.

Please note, these envelopes are NOT suitable for invoices, ensuring that you have the right product for your specific needs. With 500 envelopes in each pack, you’ll have plenty on hand for all your business transactions. Upgrade your mailing solutions with these reliable and secure check envelopes today!