USPS Rules for Mailing Knives

Whether you need a good chef’s knife to carve up large cuts of beef, or a paring knife to core a tomato, knives come in handy for a variety of…

How To Ship Flats With Stamps.com

If you need to send a manuscript, set of reports, or sheaf of bills, you’re going to need something a bit larger than a normal letter-sized envelope. The USPS recognizes…

Priority Mail Flat Rate Best Practices

Compliance with USPS rules and regulations is an important aspect of being a successful seller and shipper. One rule to definitely keep in mind is that Priority Mail Flat Rate®…

How to Measure Irregularly Shaped Items

You’ve probably already realized that not every mailpiece is going to be a perfect cube or rectangle. Sometimes an item you need to send is going to have an irregular…

How to Mail Unconventional Items with No Packaging

Can you attach postage to a rose and send it with no packaging? How about a feather duster? Or a golf club? The answer is: the USPS would strongly recommend…

Shipping to Puerto Rico with Stamps.com

You have a package that needs to go to San Juan, Bayamón or Ponce. Not to worry: Stamps.com can offer you guidance on how to best format your addresses for…

What you need to know about mailing plants

You’re in Arizona and interested in sending a cactus to a friend in New York. Or you’re in Minnesota and want to send a Japanese maple to your mother in…

Harmonized Tariff Schedule (HTS) Codes for International Shipping

You may have spotted a box called “HS Tariff” in the Stamps.com International Shipping Label’s Customs Information section. What is it and what is it used for? The Harmonized System,…

Understanding USPS International Shipping Zones

Not sure what price group to use for a flat rate envelope to Switzerland? Check out the table below to determine shipping zones for your shipments for each country. Changes…