- Fits inside #10 Envelopes as return envelope & business reply
- Custom printed with your logo and return address
- Standard 70 lb. white paper
- No full-bleed printing
#9 Envelopes
Features
- Fits inside #10 Envelopes as return envelope & business reply
- Custom printed with your logo and return address
- Standard 70 lb. white paper
- No full-bleed printing
#9 Envelopes: The Return Envelope That Drives Faster Responses
#9 envelopes are the industry standard for reply mail. Sized to fit perfectly inside a #10 envelope, they’re a reliable choice for business correspondence, donation drives, billing cycles, and direct mail campaigns. Whether you're including a return envelope with an invoice or a promotional offer, #9 envelopes help streamline communication and encourage faster responses.
Built for Return Mail. Ready for Business.

Sized for Replies
Measures 3.875" x 8.875" and fits neatly inside a #10 envelope. Commonly used for reply envelopes, forms, and remittance.

Premium Uncoated Stock
Printed on 70 lb. white uncoated paper that’s smooth, writable, and ideal for mailing.

Cost-Effective Bulk Printing
Order from 250 to 20,000 envelopes. Full-color printing ships in 4 to 6 business days. Window option available.
Custom #9 Envelopes for Return and Reply Campaigns

Support your business communications with reply envelopes that are branded, functional, and mailing-ready:
Printing Options
- Full-color printing on 70 lb. uncoated white paper.
- Clean, non-bleed design area. Edge-to-edge printing not available.
Reply-Ready Format
Perfect for use as return envelopes in direct mail, payment remittance, or reply forms. Designed to pair with outgoing #10 envelopes.
Optional Window Feature
Choose a windowed envelope to display a pre-printed address on the reply insert.
#9 Envelopes FAQs
#9 envelopes are most commonly used as return or reply envelopes. They fit inside standard #10 envelopes and are ideal for business reply mail, payment slips, or surveys.
Yes. Windowed #9 envelopes are available and can be used to show the recipient's address printed on your return insert.
No. Full-bleed is not available. All artwork and text should remain within the designated safe print area.
Your files will be reviewed for printing errors without paying a cent.
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