Standard poly mailer size

A standard poly mailer size is typically measured in inches and is usually a rectangular shape with a flap on one end. Here are some common standard poly mailer sizes:

These sizes are commonly used for shipping small to medium-sized items such as:

Keep in mind that poly mailers come in a variety of sizes, and the specific size you need may depend on the size and shape of the item you are shipping. It's always a good idea to check the dimensions of the item you are shipping and choose a poly mailer that is slightly larger to ensure a snug fit.