Locking Mailer Boxes

BUY Packaging Boxes makes it simple for businesses to design and order Custom Locking Mailer Boxes and affordable packaging online. Get quality custom mailer boxes, Locking Mailer Packaging Box and more for any need you might have. With quick turnaround and low minimums, we’re a leading wholesale box manufacturer for a reason. We think outside the box and build packages so good, you won’t be able to contain yourself (pun intended). We offer free die and plates, custom design, a variety of sizes, and fast turnarounds for all of our customers.

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SKU 100615115154 Category


What We Offer?







Custom-size mailer boxes are ideal for shipping. Custom locking mailers are a special type of heavy-duty post office box used to ship bulky and lightweight products. These boxes are made of corrugated cardboard.

Custom Locking Mailer Boxes for Packaging:

The structure of these boxes is rigid which protects the products during shipment and ensures the safe transfer of the product. Custom-size mailer boxes are made using premium thick material. The thickness of the contents depends on the weight the customer has to carry. First of all, we must know the mass of the object and then we consider the thickness of the material for manufacturing. These boxes are not only used in small business organizations but also recognized in large industries.

It is essential to securely hold boxes during transport and storage to avoid damage. We create attractive custom shapes, sizes, and designs of custom locking mailers. The size of the packs can be customized according to the item according to the customer’s needs. The printing press not only allows trade names or logos to be imprinted on the custom packaging but also benefits by providing details related to the product. Beautifully designed logos effectively promote and improve an organization’s revenue.

Buying Custom Locking Mailer Boxes

BUY Packaging Boxes can be customized from design to printing. Order your mailboxes, shipping, and moving boxes in a variety of custom styles and sizes at low cost. All of our shipping supplies, from custom size mailer boxes, sleek envelopes to beautifully printed envelopes, can be produced in any custom size that suits your items. The graphics printed on these boxes and styling can effectively promote a business or organization.

These Custom Locking Mailer Boxes are used in many businesses as they are used to deliver product orders securely to customers. These boxes are also used by large companies; as a result, they have to deliver large quantities in bulk on time. These PO boxes are also an alternative to postal envelopes where the product is less secure. Visit our website and select different styles of lockable mailboxes and shipping containers.

One can determine the style or size of the packaging material that would suit the product. Orders are created based on the needs of our customers that exactly match their products.

Product Specification

DimensionsAll Custom Sizes & Shapes
PrintingCMYK, PMS, No Printing
Paper Stock10pt to 28pt (60lb to 400lb) Eco-Friendly Kraft, E-flute Corrugated, Bux Board, Cardstock
Quantities100 – 500,000
CoatingGloss, Matte, Spot UV
Default ProcessDie Cutting, Gluing, Scoring, Perforation
OptionsCustom Window Cut Out, Gold/Silver Foiling, Embossing, Raised Ink, PVC Sheet.
ProofFlat View, 3D Mock-up, Physical Sampling (On request)
Turn Around Time4-6 Business Days, Rush



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The Easiest Way To Create Custom Packaging For Your Product

We have taken packaging to the next level by helping you create custom boxes using our one-stop package design service. 

We help you choose the perfect boxes for your customized products in various sizes and shapes to ensure your customers receive their packages safely and conveniently without fail. You can also choose from a wide range of customized packaging boxes as per your needs. We ensure that your product reaches its destination within time frame with our competitive prices & best customer service.