Order Double Window Envelopes and get FREE shipping! Use double window envelopes to save time! Use to mail checks, letters, invoices, statements, and more. These envelopes have two windows that allow you to view the pre-printed messages or addresses. Pre-print your insert with your mailing address and return address to avoid the hassle of addressing each envelope individually. Spend your time wisely and use double window envelopes. We have many sizes available. Some of our double window envelopes are compatible with quickbooks software. Almost all of our envelopes feature a security tint that will help keep you and your recipient's information private.
To use, print your insert with your return address and recipient's mailing address, insert into the envelope, moisten the seal, and press to close. It's important that you make sure your insert lines up directly with the windows. This will help keep your private information hidden. These are great for mailing checks, financial documents, medical records, and more. The double window allows you to avoid addressing each envelope individually. Ideal for mailing personal or business information such as financial documents, medical records, checks, bank statements, or legal documents. Use Double Window envelopes to mail sensitive information quickly and securely.