Print Shipping Guides for Every Mailing Need

Latest Shipping Postage Guides

Fast Printing With Same-Day and Rush Options

What can be printed same-day or rush, expected turnaround, and how to order fast. Order same-day prints from 4OVER4 in 2026.

Nadia Petrov

How to Mail a Postcard the Easy Way

How to mail a postcard: postage, sizes, and USPS rules, plus the easier print-and-mail route. Order postcards and direct mail from 4OVER4.

Jordan Kim

How to Measure a Box for Shipping the Right Way

How to measure box length, width, and height, inside vs outside, and dimensional weight. Order custom shipping boxes from 4OVER4.

Nadia Petrov

How to Measure the Girth of a Box Step by Step

Learn how to measure box girth for shipping with a simple formula and examples, so you avoid oversize fees, then print custom boxes with 4OVER4.

Nadia Petrov

What You Can Print Next Day and How to Beat Your Deadline

What you can get printed by next day (cards, signs, and flyers) and how rush printing works. Order next-day printing from 4OVER4.

Marcus Chen

Postcard Postage Rates and How Size Changes What You Pay

Current US postcard postage rates by size and how dimensions affect postage and mailing. Order postcards and direct mail at 4OVER4.

Marcus Chen

All Shipping Postage Guides

What Is Bulk Mailing and How Does It Work

Bulk mailing sends large volumes at discounted postage. See how it works, what qualifies, and how to print and mail postcards in bulk with 4OVER4.COM.

Jordan Kim

How to Address a Postcard for Fast, Error-Free Delivery

How to address a postcard correctly with proper formatting, placement, and postal rules. Avoid delivery errors and lost mail.

Nadia Petrov

How to Address Wedding Invitations with Proper Etiquette

How to address wedding invitations for every guest scenario - couples, families, titles, and plus-ones. Follow our formal etiquette guide and order today.

Jordan Kim

How to Mail Brochures

How to mail brochures the right way: folding options, USPS postage rates, size requirements, and bulk mailing tips. Save on printing and postage. Start today.

Nadia Petrov

How to Mail Flyers to a Neighborhood Step by Step

How to mail flyers to a neighborhood using USPS EDDM, targeted lists, or direct drops. Get step-by-step tips and print custom flyers today.

Sofia Ramirez

Do Postcards Need Stamps? Mailing Rules Explained

Do postcards need stamps to be delivered? Learn USPS postcard stamp rates, return address rules, and how to mail postcards correctly.

Sofia Ramirez

When to Send Wedding Thank You Cards & Ideal Timing Tips

When to send wedding thank you cards matters - most etiquette experts recommend within 3 months. Learn the ideal timeline, wording tips, and more. Read now.

Nadia Petrov

When to Send Thank You Cards

When to send thank you cards for weddings, gifts, interviews, and more. Learn proper timing, etiquette rules, and what to write. Design yours today.

Jordan Kim

How to Label a Package for Shipping, Step by Step

How to label a package for shipping in five steps: seal the box, print a scannable label, apply it flat on the largest side, and add customs forms abroad.

Nadia Petrov

When a Print Order Outgrows Parcel and Has to Move as Freight

Ground, air and freight compared for print orders by weight, pallet size and deadline, including the point where a large sign or banner run stops shipping parcel.

Nadia Petrov