A Guide to Poly Mailer Sizes: Find the Perfect Fit for Your ...

The Importance of Correct Sizing and Understanding DIM Weight

Choosing the appropriate size of poly mailers is essential for guaranteeing that your products are delivered safely and economically. Accurate measurement of your items along with careful consideration of the following factors can help you sidestep common errors and streamline your shipping operations. The primary aim is to ensure the safety of your product while optimizing the efficiency and cost of delivery.

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Prevent Damage: Using a mailer that is too small can result in tears or ruptures during shipping, leaving your product vulnerable to damage and potential loss. On the other hand, a mailer that is excessively large might have surplus material that could snag or be torn, allowing too much movement of the product and further increasing the chances of damage.

Cost Efficiency: Opting for the smallest mailer size that suits your product not only cuts down on material expenses but also decreases shipping costs, as logistics companies frequently base their charges on both size and weight. Proper sizing guarantees you don’t incur additional costs by shipping an oversized mailer. Moreover, grasping the concept of dimensional weight (DIM weight) is critical. Mailing carriers determine DIM weight by multiplying the length, width, and height of a package, followed by division by a standard DIM divisor. This approach helps establish shipping charges based on volume in addition to weight. By selecting the right poly mailer size, you can reduce DIM weight, potentially leading to further savings on shipping.

Professional Presentation: The proper size of the mailer can leave a favorable impression on customers. It demonstrates a thoughtful approach to your product’s presentation and shows a commitment to sustainable practices by minimizing waste.

Mailers bags are favorites among e-commerce retailers for shipping products, thanks to their lightweight nature and reusability. This often leads to more affordable shipping rates. In this guide, you'll find tips on selecting the right size of mailer bag and maximizing space, saving both you and your customers on shipping costs.

For a quick and efficient method to determine the appropriate mailer bag size for your e-commerce venture, utilize our mailer bag size calculators:

Bubble Mailer Size Calculator

Flat Mailer Bag Size Calculator

Simply input the dimensions of your product, and our calculator will guide you in selecting the proper mailer bag size.

What are the standard sizes of Mailer Bags 

Mailer bags are available in a plethora of sizes, making it challenging to find the right bag. The standard size for poly mailers typically spans 10" x 13", though alternatives like 6" x 12" and 14.5" x 19" exist for smaller and larger items, respectively.

What Size Mailer Bag Should I Buy?

When deciding on the size of mailer bags to purchase, consider the following four factors:

1. Size of the Product

Despite being a common reminder, this remains a crucial aspect of packaging selection. The dimensions of the product dictate the size and type of mailer bag essential for transport.

It's important to note that not every product will fit into any mailer bag size. Measure your items accurately to ascertain the correct mailer size to ensure your purchase aligns closely with your actual needs.

Regularly shaped items are simplest to measure. Use a ruler or tape measure to obtain the length (longest side), width (shorter side), and depth (thickness) of the item.

For cylindrical or irregular shapes, measure them as if they were rectangles. When dealing with clothing and fabrics, it's optimal to fold them rather than roll them. For additional insights, refer to our Eco-friendly Packaging Tips for Clothes guide, which offers effective folding techniques.

 Check out this amazing packaging video from @colemanscrafts

2. Size of the Mailer

The mailer should be generously sized to encompass the product completely while allowing for appropriate sealing of the bag. Using a mailer that is too small can lead to tearing and ripping during handling or transit.

Note: An oversized mailer can lead to increased shipping expenses due to its dimensional weight.

To assist you in determining the minimum dimensions needed for mailer bags, we've created a simple formula:

Mailer size = (L + H + 2") x (W + H + 1/2') Where:

• L ' Product length
• W ' Product width
• H ' Product height/depth

This formula will yield a rough estimate for the length by width (L × W) of the mailer that is required. You can rely on our size calculator for straightforward, rapid, and precise measurements. This calculator can help gauge how much space fits within a biodegradable mailer by multiplying all dimensions (L × W × H) to determine volume in square inches.

 Check out our mailer bag size calculator 

Alternatively, you can refer to dimensional calculators from major shipping labels including USPS, UPS, and FedEx. Besides identifying the mailer size, these calculators can accurately calculate the billable weight, factoring in the total count of products and their dimensional weight.

3. Cushioning

Items requiring extra protection, such as delicate jewelry, may necessitate additional cushioning during shipping.

When sizing a mailer, it’s important to recognize that cushioning reduces the internal dimensions. For instance, a 10" x 13" flat mailer might accommodate 4-6 medium shirts, whereas a padded mailer may only hold about 3-4. Therefore, adjust your mailer bag's size based on the type of cushioning contemplated.

If shipping smaller fragile items, we suggest utilizing a bubble mailer. While bubble mailers can hold fewer items compared to flat mailers, they remain a practical and eco-friendly option for safeguarding small and delicate products. They help diminish packaging waste, contributing to more sustainable shipping practices.

Ecobag supply professional and honest service.

 Check out this cool jewelry packaging video from @delroseco

Utilize the bubble mailer calculator to verify whether your small, fragile items fit into these protective bags.

4. Shipping Specifications

Shipping companies provide precise size and weight specifications in their guidelines. It’s crucial to follow these guidelines closely since couriers often inspect all packages before dispatch.

Disparities between declared dimensions and actual size will likely trigger a review process which is often time-consuming and could delay deliveries.

If the dimensions of your product exceed the recommended limits, it may necessitate shifting into a higher weight class, likely resulting in increased shipping fees. In extreme cases, packages may be returned, which could further delay the shipping process.

What Items Can You Fit Into Poly Mailer Bags

Poly mailer bags serve as an excellent alternative to boxes for shipping small, lightweight products. When shipping fragile items, consider using a bubble mailer or paper wrap for added safety. Poly mailers can also accommodate health and beauty products, as long as they come in strong, rip-proof packaging.

Let's examine what products can fit into various sizes of poly mailers. Keep in mind that the quantity that can be accommodated can vary based on the item's thickness, material, or other volumetric factors.

For 6 × 9' Mailer Bags

Here is a list of items that may fit in 6 × 9' mailer bags:

• Baby Socks

• Small Art Prints

• Health supplements

• Small jewelry box

• cases

• Deck of Cards

• Small Cosmetic Items

What products can fit into a 6×9' mailer bag

For 10×13' Polymailer Bags

Here’s what you might be able to fit inside a 10 × 13' polymailer:

• 2-3 neatly folded t-shirts
• Children Sneakers
• A pair of jeans
• Books and magazines
• Toys (boxed)
• A yard of fabric
• Board games

What can you pack in a 10 × 13' polymailer

For 14.5 × 19' bag

• Beddings ' a blanker or set of sheets
• A hoods or jackets
• Adult shoebox
• 2-3 yards of fabric
• Art prints

What can fit in 14.5 × 19' mailer bags

Maximize the Packaging Space

Efficiently maximized packing space in your mailer helps ensure that your shipping expenses remain manageable. To achieve optimal efficiency, choose the right type of mailer based on the size and shape of your item. Promotions encouraging multiple orders can also boost your shipping efficiency.

For shipping lighter and less-fragile items, flat mailers are a prudent choice, while bubble mailers are better suited for delicate items such as jewelry, crafts, and small electronic devices.

Accurate measurement of your product’s dimensions is paramount. With the advent of mailer bag size calculators, determining bag sizes has become more straightforward.

If you need more assistance in picking the correct mailer bag size, check out our mailer size calculator.

For more Custom Poly Mailer Bag information, please contact us. We will provide professional answers.