How to Measure a Bubble Mailer


Proper measurement of a bubble mailer helps you have your products safely inside without having to pay extra on shipment. Be it small electronics, jewelry, or documents-to ship, understanding how to correctly measure a bubble mailer will facilitate finding the right size for your needs. We are going to explain here in detail, with a step-by-step process, how to measure a bubble mailer. We explain in this article how to measure a bubble mailer using visuals and a step-by-step process.   

Understanding Bubble Mailer Dimensions   

Most of the bubble mailers have two dimensions with which they are sized: Length, or Height, and Width. Remember, the adhesive flap does not take part in these measurements. It is the usable space inside the mailer for packing purposes that comes into question.  

Key Measurement Terms:

  • Length/Height: The longer side of the mailer from the bottom to the opening excluding the flap. These two terms are many times used interchangeably.
  • Width: The length of a side of the mailer in its horizontal or vertical shortest distance.   
For example, the size of a 4" x 8" bubble mailer means 4 inches in width and 8 inches in usable height without the adhesive flap.  

Step-by-Step Guide to Measure a Bubble Mailer  

  1. Lay the Bubble Mailer Flat: Place the bubble mailer on a flat surface with the opening at the top.

  2. Measure the Width: Use a ruler or measuring tape to measure the width from one side to the other, excluding the seams.

  3. Measure the Length/Height: Measure from the bottom edge to the opening, stopping before the adhesive flap. Remember, the flap is not part of the measurement.

  4. Account for Padding: Keep in mind that the bubble lining takes up space. Choose a slightly larger mailer if you're packing bulky or irregularly shaped items.  

Why Accurate Measurement Matters  

  • Prevents Damage: A snug fit reduces movement and prevents product damage during shipping.

  • Optimizes Shipping Costs: Selecting the correct mailer size helps avoid extra postage fees caused by oversized packaging.

  • Improves Presentation: Properly sized packaging enhances the unboxing experience for customers.  

Common Mistakes to Avoid  

  • Including the Flap in Measurements: Always exclude the adhesive flap when measuring the bubble mailer.

  • Confusing Length with Width: Remember, length (or height) runs from the bottom to the opening, while width spans side-to-side.

  • Ignoring Bubble Padding: Account for internal padding, which reduces the usable interior space.  

Find the Perfect Bubble Mailer for Your Needs  

Now that you know how to measure a bubble mailer correctly, you're ready to select the right size for your products. At eSupplyStore.com, we offer a wide variety of bubble mailers designed to protect your items during transit.  

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Shop Our Bubble Mailers Here  

Accurately measuring a bubble mailer ensures your products are well-protected and your shipping process remains efficient. By following this guide, you'll avoid common sizing mistakes and select the best mailer for your business needs. Start browsing our high-quality bubble mailers today to find the perfect fit!  

Need help choosing the right size? Contact us for expert advice!