Envelope Size Guide
Choosing the right envelope size might seem small — but it makes a big impression. Whether you're sending invoices, promotional materials, contracts, or personal notes, the envelope you use shapes how your message is received. In this guide, we'll walk you through our most popular envelope sizes so you can find the perfect fit for your next mailing. Let's make sure your message arrives looking just right.
For Business Mailings
Professional, practical, and reliable. These envelopes are essential for businesses of all sizes, covering everything from routine billing to formal letters.
- Invoices and statements
- Personal and business checks
- Donations and reply envelopes
- Letters and contracts
- Enclosures for smaller envelopes
- Thank-you notes and newsletters
For Large Documents & Marketing Materials
These envelopes are ideal when you need to deliver your message flat, professional, and unfolded. They're the go-to choice for presentations, product catalogs, and high-impact mailings.
- General and promotional mailings
- Marketing brochures and kits
- Jumbo greeting cards
- Legal and financial documents
For Bulky or Protected Shipments
When durability matters, these envelopes deliver. Designed for heavier, thicker, or fragile contents, they ensure everything arrives safe and intact.
- Magazines and catalogs
- Bulky or multi-piece mailings
- Fragile promotional materials
- Secure delivery of important documents
For Greeting Cards & Invitations
These envelopes are made for life’s special moments. Whether you’re sending a heartfelt message, wedding invitation, or holiday cheer — size and presentation matter.
- Holiday and birthday cards
- Wedding invitations and RSVPs
- Thank-you notes and save-the-dates
- Special announcements and personal messages
- Square and oversized card formats