
Envelopes
Increase your open rates and legitimize your direct mail campaigns. Whether you are mailing promotional flyers, prospecting letters, or welcome packets, custom printed envelopes give your marketing materials the professional edge they need to stand out in a crowded mailbox and get noticed.

"Next Day Express" 6"x9" Envelope
Get your urgent mail noticed instantly with high-impact, premium 6" x 9" Next Day Express Peel-N-Seal envelopes.

Cash In A Flash #10 Envelopes
Force your prospects to open your mail instantly with the high-converting Cash In A Flash #10 Peel-N-Seal envelopes by The Office Annex.

Express Delivery #10 Envelope
Command instant attention and skyrocket your open rates with these high-urgency, peel-n-seal Express Delivery envelopes!

Mega Cash #10 Envelopes
Spark instant curiosity and skyrocket your mailbox program open rates with the high-impact Mega Cash #10 Peel-N-Seal envelopes by The Office Annex.

Premium #10 Envelopes (Design Your Own)
Skyrocket your campaign's open rates with these premium, peel-n-seal envelopes that use bold, full-color teasers to guarantee your prospects eagerly tear into your offer.

"Next Day Express" #10 Envelopes
Skyrocket your campaign's open rates with these premium, peel-n-seal envelopes that use bold, full-color teasers to guarantee your prospects eagerly tear into your offer.

Good News #10 Envelopes (Gummed Flaps)
Make sure your mail gets noticed and opened with these eye-catching, high-impact #10 envelopes sold by The Office Annex!

Good News #10 Envelopes (Peel-N-Seal Flaps)
Combine high-impact messaging with ultimate mailing convenience using these "Good News" #10 envelopes sold by The Office Annex.
Envelopes Printing & Pre-Press FAQ
Direct specifications, customization details, and turnaround timelines for Envelopes.
What are the rules for custom envelope printing and the 10% ink coverage guideline?
The Office Annex prints custom #10 business envelopes, including high-open-rate Peel-and-Seal envelopes ideal for direct mail. Standard commercial envelope pricing applies to designs with less than 10% total ink coverage (typically a logo, return address, and teaser line). Our platform automatically detects ink coverage during pre-flight so you always get accurate, transparent pricing before checkout.
Pairing custom teaser copy on a #10 envelope with our machine-folded (Tri-Fold or Z-Fold) 8.5" x 11" flyers allows you to stuff and mail campaigns immediately upon delivery without manual folding.
Can you print recipient addresses or leads directly onto my postcards and envelopes?
Yes. On eligible postcards and #10 envelopes, you can upload or email your own CSV mailing list to be printed directly onto each mailpiece for $0.03 per address, or purchase targeted opportunity-seeker leads printed directly onto your mailers for $0.12 per piece.
Direct-to-piece Inkjet addressing eliminates sticky peel-and-stick labels, lowers your labor time, and gives your direct-mail campaign a clean, commercial mailhouse appearance.
How long does production and shipping take, and do you ship internationally?
Standard production turnaround at The Office Annex averages 3 to 5 business days from file approval. We offer multiple domestic shipping speeds across the United States as well as affordable international shipping for global marketers and businesses. Every order is carefully packaged and includes automated tracking notifications the moment it leaves our facility.

