What Is First Class Mail and Why Should You Send It Online
What Is First Class Mail?
First Class Mail is the most common and affordable way to send envelopes and lightweight packages. Many businesses send their customer communications, invoices, and more via First Class Mail. The only restriction on sending mail First Class is that letters must weigh less than 3.5 ounces and your parcels must weigh less than 13 ounces.
Who Sends First Class Mail
First class mail is often used by business, people and startups since First Class mail is one of the most cost effective ways to send mail. Cards, invoices, bills, customer correspondences, letters, and more all tend to be sent First Class mail.