Mailer Boxes With Tongue Lock

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Any Custom Size/Style/Shape/Design


CMYK, PMS, Digital and Plain (Non-Printed)

Card Stock

10pt to 28pt Kraft, Cardboard, Corrugated and Colored Stock.


100 boxes to start with

 Add – On

Custom Die Cut Window, Silver/Gold Foiling, Embossing, Stamping.


Flat View, 3D Digital Proofing, Physical Sampling (On request)


Gloss Finish, Matte Finish, Spot UV, Spread UV and Blind UV etc…

Default Process

Die Cutting, Gluing, Scoring, Pasted, Assembled and Flat Ship

Turn Around Time

4-6 Business Day to Dispatch, Rush/Expedite



Mailer boxes with a tongue lock are a type of packaging box that includes a locking mechanism to secure the box during shipping. The tongue lock is a small flap that extends from the box lid and fits into a slit on the box base, creating a secure closure. Mailer boxes with a tongue lock provide an extra level of security for the product during shipping. The tongue lock helps to keep the box securely closed, preventing tampering or theft of the product. Mailer boxes with a tongue lock can be customized with different sizes, designs, and colors to fit the specific needs of the product and the customer. They can also be branded with company logos or other promotional messages to enhance brand recognition. Mailer boxes with a tongue lock are designed to provide excellent protection for the product during shipping. The locking mechanism helps to keep the box securely closed, preventing damage or loss of the product during transit. Mailer boxes with a tongue lock can be made from eco-friendly materials, such as recycled cardboard or biodegradable plastics, to promote sustainability and reduce the environmental impact of packaging.

How to Design Tongue Lock Mailer Box:

Designing a tongue lock mailer box requires careful consideration of the product, brand, and customer needs. Here are some steps to design a tongue lock mailer box:

Determine the product size: Measure the product and choose a box size that provides adequate space for the product and any necessary packaging materials.

Choose the material: Select a material that is sturdy enough to protect the product during shipping, such as corrugated cardboard. Consider using eco-friendly materials to promote sustainability.

Design the box structure: Determine the box structure that works best for the product and the brand. Consider the opening mechanism, positioning of the tongue lock, and overall shape of the box.

Add branding: Incorporate branding elements such as logos, colors, and promotional messages to enhance brand recognition and create a unique packaging experience for customers.

Decide on The Tongue Lock Mechanism: Choose a tongue lock mechanism that is secure and easy to use. The tongue lock can be made of the same material as the box or a different material, such as a ribbon or plastic.

Add any Necessary Inserts: If the product requires additional protection during shipping, add inserts such as foam or molded pulp to the box.

Test and Refine: Test the box design with the product and make any necessary adjustments to ensure a secure fit and maximum protection.

Ensure Maximum Protection of Your Products with Custom Cardboard Tongue Lock Boxes:

Custom cardboard tongue lock boxes are an excellent packaging solution to ensure maximum protection for your products during shipping and transportation. These boxes are made from high-quality corrugated cardboard, which is a sturdy and durable material that can withstand the rigors of shipping and handling.

The tongue lock mechanism on these boxes provides an extra level of security and ensures that the box remains closed during transit. This prevents the product from shifting or falling out of the box, reducing the risk of damage or breakage.

Custom cardboard tongue lock boxes can be designed to fit your specific product dimensions, ensuring a secure fit that minimizes movement inside the box. This also helps to reduce the risk of damage or breakage during shipping.

In addition to providing maximum protection, custom cardboard tongue lock boxes can also be customized with your brand logo, colors, and other promotional messages. This creates a unique packaging experience that enhances brand recognition and encourages customer loyalty.

Using custom cardboard tongue lock boxes also demonstrates a commitment to sustainability and eco-friendliness. Corrugated cardboard is a recyclable material that can be reused and repurposed, reducing waste and promoting environmental responsibility.


The packaging you choose for your business depends on various factors such as the type of products you ship, your budget, and your long-term goals. For instance, custom packing tape can be a cost-effective way to brand your shipments while monitoring your budget. Custom printed poly mailers can help you stand out from the competition and keep your shipping costs low. Custom boxes and tissue paper can enhance the unboxing experience and make your products look more valuable. As you gain confidence and grow your budget, you can add more custom packaging options to your lineup.

Absolutely, the choice of material will have a significant impact on how your design will appear on your custom packaging. The texture and finish of the material, as well as the printing process used, can greatly affect the final product.

For example, if you choose a matte texture or darker material such as kraft boxes, your colors and images may appear darker and more subdued. On the other hand, if you opt for glossy or brighter materials like custom poly mailers, your colors may appear brighter and more impactful. By considering your branding and the desired look you want to achieve, you can leverage different textures and materials to your advantage and create a unique, eye-catching design for your custom packaging.

Generally, there are no limits to the number of colors you can use when designing your custom-branded packaging. However, the printing process used may impact the number of colors that can be accurately reproduced. For example, digital printing can usually reproduce a wide range of colors, while screen printing may have limitations on the number of colors that can be used. It’s best to discuss your color requirements with your packaging consultant and the printing team to determine the best printing method for your design.

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The final project invoice for customized packaging typically includes the actual quantity produced of the product, shipping costs (if any), and additional costs for new or revised orders, artwork, printing plates, and possibly cutting dies. Overrun and underrun quantities may also affect the final cost. It’s important to work with packaging consultants who can guide you through the entire process, including pricing and quantity options. Each project is unique, so the final cost will depend on factors such as materials, printing methods, and product style.

When it comes to custom packaging, minimum quantities are essential to ensure efficient production and prevent waste. The minimum quantities required vary depending on factors such as the type of product, printing techniques used, and deadlines. Our product gallery pages provide estimated minimum quantities to help you plan your project. Each custom printed project requires a specific amount of time and materials to complete, and manufacturing facilities must make decisions based on their overall production capacity. By setting minimum quantities, manufacturers can optimize their efficiency and deliver high-quality custom packaging products to their customers.

The lead time for custom printed packaging can vary based on the type of printing and customization being done. It’s essential to discuss your project details with your packaging consultant to get the most accurate lead time information. Semi-custom printed packaging usually takes 2-4 weeks after approval, while domestic production takes 3-8 weeks after all artwork and prototype approvals. Imported products typically take 8-14 weeks, depending on the product and shipping method. Please note that lead times are subject to change, especially during the holiday season, so it’s best to plan ahead to ensure timely delivery of your custom packaging order.

Over and under runs are common in custom printed packaging production and refer to the final quantity of the product being either more or less than the original order quantity. This is detailed in our proposals as a plus or minus percentage, and you will be billed pro-rated for the actual shipped amounts. Over and under runs happen due to various factors such as the amount of material allocated to each job and the efficiency of the set-up process. However, semi-custom packaging orders are usually produced in exact or very close quantities to the original request. Rest assured that you will only be billed for what we make and ship, whether it’s more or less than your original order quantity.


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