Order Custom #10 Security Envelopes and get free shipping! Use these envelopes to mail sensitive documents such as checks or invoices.
These Custom #10 Security Envelopes measure 4 ⅛ x 9 ½ inches, which is the most popular size for a business envelope. The envelopes fit a standard 8 1/2 x 11 sheet of paper, folded into thirds with ease. These custom security envelopes also feature a see-through window in the bottom left corner that displayed any printed or handwritten mailing address.
The pre-printed security tint inside of these custom #10 security envelopes help hide personal, financial or any other sensitive information. As a result, the envelopes are ideal for mailing out checks, invoices, statements or other documents.
Customize your envelope by uploading your logo, return address or other artwork! First, just upload the image to our website. Then, add your company name and return address right on the page! For a more cost-effective printing option, choose one color or black ink printing. Or, select two or full color printing to allow your mail to stand out in the crowd.
New to our store and worried about printing? No worries! Our team creates a digital PDF proof of your envelopes to be viewed and approved by you. Once we have confirmation of your approval, the printing process begins!
Need your items sooner than expected? In addition to free shipping, we now offer Rush Delivery and Rush Printing in order to make sure you receive your products when you need them.
Need some help? Contact us via phone, email or live chat with any questions. Our team is eager to speak with you.