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It is always easier to add additional packaging material, such as crumpled paper or packing peanuts to an under-filled poly mailer.
![polymail return label polymail return label](http://g-ecx.images-amazon.com/images/G/02/misc/goldfish-label-cwl1._V183224495_.gif)
However, determining what type and size shipping mailer to use can feel like a guessing game. If your goal is for the items in your package to arrive safely and undamaged, it's in your best interest to use the correct size poly mailer.
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An over-filled poly mailer, or one that is too small for the items it contains, increases the likelihood that it will rip, tear, or bust open during transit. An under-filled poly mailer, or one that is too large for the things it contains, means that parts of the poly mailer are unfilled, increasing the likelihood of it being snagged or caught during processing and sorting by USPSand other carriers. However, a shipping mailer that's over or under-filled can make a big difference in whether or not the item arrives safely at its destination. Poly mailer envelopes are designed to be flexible, lightweight, and durable enough to resist tears, punctures, and damage from debris, moisture, and dirt. How many times have you wondered if something you're trying to mail would fit into a shipping mailer only to try and find that your poly mailer is slightly too small? Poly mailer envelopes are great for shipping softer items such as clothing, fabric, stuffed animals, and bedding, as well as smaller electronics, shoes, and even jewelry. It's What's Inside the Mailer That Counts This blog will help give you a general idea of what size poly mailer you need, as well as tips and tricks for making the most of your shipping experiences!
![polymail return label polymail return label](https://cdnimg.webstaurantstore.com/images/products/extra_large/391409/1928225.jpg)
POLYMAIL, ITS AGENTS AND ANYONE INVOLVED IN CREATING OR PROVIDING THIS APPLICATION OR CONTENT SHALL NOT BE LIABLE EVEN IF ANY OF THEM OR ANY AUTHORIZED REPRESENTATIVE OF THEM HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, INCLUDING WITHOUT LIMITATION DAMAGES OR INJURY CAUSED BY ERROR, OMISSION, INTERRUPTION, DEFECT, FAILURE OF PERFORMANCE, UNAUTHORIZED USE, DELAY IN OPERATION OR TRANSMISSION, LINE FAILURE, COMPUTER VIRUS, WORM, TROJAN HORSE OR OTHER HARM.Whether you have years of experience packagingretail shipping mailer envelopes or you've just started your own e-commerce business and need to purchase poly mailer envelopes for the first time, it can be hard to know what size shipping mailer to use for different items. THE USER'S SOLE REMEDY IS TO CEASE USE OF THE APPLICATION. TO THE FULLEST EXTENT ALLOWABLE UNDER APPLICABLE LAW, IN NO EVENT SHALL POLYMAIL OR ITS AGENTS OR ANYONE INVOLVED IN CREATING OR PROVIDING THIS APPLICATION (A) BE LIABLE TO THE USER WITH RESPECT TO USE OF THE APPLICATION AND/OR (B) BE LIABLE TO THE USER FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY OR OTHER DAMAGES, INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF GOODWILL, LOST PROFITS, LOSS, THEFT OR CORRUPTION OF USER-GENERATED INFORMATION, STORED USER CONTENT, THE INABILITY TO USE THE APPLICATION, OR DEVICE FAILURE OR MALFUNCTION.