Is a bubble mailer a parcel

In the United States, the United States Postal Service (USPS) defines a parcel as a package that weighs more than 13 ounces (0.85 pounds) and is not sent via First-Class Mail.

A bubble mailer, by definition, is a type of envelope or package that is made of a flexible material, such as plastic or foam, and is designed to protect fragile items during shipping. Bubble mailers are often used to send items such as documents, CDs, DVDs, and small packages.

Based on the USPS definition, a bubble mailer that weighs 13 ounces or less would be considered a letter, not a parcel. However, if the bubble mailer weighs more than 13 ounces, it would be considered a parcel.

Here's a breakdown of the USPS classification:

So, to answer your question, a bubble mailer that weighs 13 ounces or less is not considered a parcel, but a bubble mailer that weighs more than 13 ounces would be considered a parcel.