Are mailing bags large letters

In the UK, a "mailing bag" is often referred to as a "large letter bag" or "large letter pack". This is because the Royal Mail (the UK's postal service) has specific size and weight limits for items that can be sent as large letters, which are typically packaged in these bags.

According to Royal Mail's guidelines, a large letter is defined as:

If an item exceeds these dimensions or weight, it is considered a parcel and must be packaged in a parcel bag or box.

Mailing bags, also known as large letter bags, are designed to meet these size and weight limits, making it easy to send items such as:

These bags are usually made of sturdy paper or cardboard and have a secure closure to prevent contents from shifting during transit. They are available in various sizes and can be purchased at post offices, online retailers, or office supply stores.