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Top 5 Reasons to Buy Poly Mailers

Poly mailer bags gained traction and never stopped. The ease of use, affordability, customization, and versatility has kept them at the top of the shipping food chain. So why is everyone still talking about these mailers? Don’t wait any longer to find out. Our reasons below will have you placing your order by the time you’re done reading.


Top 5 Reasons to Buy Poly Mailers

  • Cost
  • Options
  • Branding & customization
  • Protection
  • Customer satisfaction

How Much Do Poly Mailer Bags Cost?

Poly mailer bags have continued to dominate the shipping industry due to their affordability. While the bags themselves are cheap to purchase in small or large quantities, the shipping costs associated with the bags continue to be more affordable than most options. 

The average cost per bag is about 25 cents when bought in bulk and $1.25 when purchased in single units. So, whether you’ve been in business for years or are just starting, mailers are cost-effective for your business.

Poly Mailer Bags vs. Boxes

Poly mailer bags have become increasingly popular over the years, making them one of the best options for shipping. Made from polyethylene, they can withstand tears, dirt, dust, debris, and inclement weather, including rain, snow, or humidity. In addition, the bags usually have a seal strip ensuring your items are safe during transit. Widely accepted by shipping carriers, their affordability and size options have made them a large contender.

How Shipping Cost is Calculated

The largest factor of shipping costs is the dimensional weight. Therefore, shipping carriers will charge the calculated dimensional weight or the actual weight of the package, whichever is greater. 

Poly Mailer Bags & Media Mail

Flat Rate & Media Mail Shipping Costs

USPS media mail dated back to 1938 and was launched to help promote education in the United States. The idea was to create a cheaper shipping rate for media in hopes people would mail educational materials throughout the U.S. But why is media mail so affordable?


Media mail is based on weight and size, making it a more affordable option for some heavier items. However, shipping time is slower, no insurance or signature is required, and there is a weight limit. The following products can be shipping using media mail:


  • Books
  • CDs
  • DVDs
  • Scripts
  • Play scripts & manuscripts
  • Sound recordings
  • Video recordings
  • Piano rolls
  • Printed music
  • Computer-readable media files
  • Medical Information
  • Film reels
  • Printed educational materials

Poly Mailer Bags & Media Mail

Media mail is an excellent way for businesses to save on shipping costs. Poly mailers must be less than 70 pounds to qualify for media mail and must carry an approved product. Media mail is considered fourth-class mail, and the USPS is allowed to open the mail and verify the contents.

Poly Mailer Bag Options Include:

  • Flat poly bags
  • Gusseted poly bags
  • Slider poly bags
  • Bubble poly mailers
  • Resealable poly bags
  • Re-closable poly bags

Poly bags come in different sizes and options to meet any shipping needs. Not all of them are media-mail friendly, but each type of bag serves a purpose.

  • Apr 07, 2022
  • Category: News
  • Comments: 0
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