Order Custom #10 Security Side Seam Envelopes and get fast, FREE shipping! Add logo, return address, or custom design. Great for mailing checks. The security lining will help keep private information hidden. Send items with sensitive information, like medical records, checks, contracts, and more. Any handwritten or printed text is unreadable through the sealed envelope.
The #10 size envelopes are standard business size and measure 4 1/8 x 9 1/2-inches. They're ideal for regular size letters and documents. Fold 8 1/2 x 11-inch sheets into thirds before inserting. These envelopes have a regular, moisture-activated gum seal. To use, insert your items, moisten the gumming, and press to secure. These envelopes have a side seam construction. Side seam envelopes allow you to print on the front and back of the envelope without any seam obstructions.
Personalize your Custom #10 Security Side Seam Envelopes right on this page! Upload your logo or artwork files above, and type your return address into the text box. Our art department creates a PDF proof after you place your order for you to review. After we receive your approval, we begin production. In a hurry? Don't stress. We offer Rush Production and Rush Shipping options. Get your envelopes in your hands, right when you need them.
RE P#: E1191 1191