How do I mail liquids USPS?

Rules for USPS Nonflammable liquids and nonhazardous liquids can be sent via USPS, if sealed inside a waterproof container. A recently proposed rule change states that mailers must mark the outer container of a mailpiece containing liquid to indicate the nature of the contents, and include orientation arrows.

What are the requirements of the USPS for envelopes?

To be eligible for mailing at the price for letters, a piece must be:

• Rectangular.
• At least 3-1/2 inches high x 5 inches long x 0.007 inch thick.
• No more than 6-1/8 inches high x 11-1/2 inches long x 1/4 inch thick.

Can I send a pen in an envelope?

Pens, pencils, key rings, bottle caps, and other similar odd-shaped items are not permitted in letter-size or flat-size paper envelopes unless they are wrapped within the other contents of the envelope to streamline the shape of the mailpiece and prevent damage during postal processing.

Why does USPS ask about liquids?

Employees of the United States Postal Service, or USPS, are trained to ask customers whether the package they are shipping contains anything liquid, hazardous, perishable or breakable. This determines whether additional precautions will be necessary during the mailing process.

What liquids can be sent through the mail?

The important thing to remember is that you are allowed to mail non-flammable, non-corrosive, non-explosive, non-odoriferous and non-hazardous liquids with the USPS. This includes shipments of water and other types of qualifying liquids.

Does USPS scan packages for liquids?

When you bring your mail to the post office, employees will ask if there are any liquids, flammable, or hazardous material inside the package. Mail may be flagged if the letter or package is stained or is leaking.

Can I use a Fedex bag to ship USPS?

Nope. The USPS won’t take any UPS FEDEX or any other shipper box.

What ensures that a mail item is delivered only to the person to whom the item is addressed or to someone authorized to receive the item for that person?

The return address enables a letter to be delivered to the person to whom the letter is addressed.

Does USPS check packages for liquids?

Can liquids be shipped priority mail?

USPS offers the best mix of affordable rates and quick delivery for shipping liquids. USPS doesn’t charge extra for shipping liquids and you can use any of their shipping options including: Priority Mail: 1-3 days shipping time.