Get the best quality Mailer Boxes that are manufactured with the best quality material. Insta Custom Boxes offers you the many layouts and designs for these Mailer Shipping Boxes. You can get the design of your own choice without any extra charges. Order your Mailer Boxes Wholesale now and get free shipping all over the USA and Canada.

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Featured Shapes & Styles

Auto Lock Box - Box Style

Auto Lock Box - Box Style

Pre-Glued Factory Assembled Bottom Boxes
  • 1. Do not require adhesive
  • 2. Self-Locking
  • 3. Best to hold retail products
  • 4. Convenience
Display Box - Box Style

Display Box - Box Style

Display Boxes - showcase products
  • Display the products on counter of shelves
  • Pack desired number of products/boxes.

“Frequently Asked Questions”

Do you charge when inspecting my existing box design?

No! our professionals carefully check and validate every aspect of your box design free of cost before printing. However, if found any, you are immediately notified and necessary corrections are recommended.

What payment methods do you accept?

As a packaging company operating worldwide and dealing with thousands of customers from different nations, we accept payments from all globally recognized mediums like Visa, Maestro, Master Card, American Express & PayPal to provide our customers complete ease in the ordering of boxes.

What is your minimum order quantity?

Our minimum order quantity starts from just 25 boxes.

How long will it take to process my box order?

We are the fastest out there. Our standard lead time is 10–14 business days but if you have an upcoming event or tradeshow and need rush delivery, then our expedited delivery option is available.

Can I place an order on call?

Not a problem! Just give us a call and our team of specialists will go over your preferences & place your order via telephone!

Can I get the box in a custom size?

Of course, just put your required dimensions in our quote form and we will be happy to come up with the exact box size you want.

Will it cost more to print in Pantone?

Yes, it will. Our quoted price is only with CMYK printing. Do let us know which Pantone colors youʼd like us to use and we will get back to you with new quote if required!

Will my boxes arrive pre-assembled?

No, all boxes are shipped flat, except rigid boxes, to ensure easy assembly and also conserve your storage space.

Do you send free proofs?

Yes, prior to production, we send you a 3D proof of your box design for validation so you can review it for changes. If any changes are required, weʼll work with you on the details until you say itʼs just right without any charges.

The Custom Mailer Boxes are sturdy packaging boxes that do not require any external packaging for shipping purposes. This is the cost-effective solution for brands to decrease the packaging cost and increase overall convenience. With the rise in social media marketing the demand for mailer boxes has also been increasing. Brands and customers are also gravitating towards mailer boxes because these boxes are generally eco-friendly and low-waste.

Insta Custom Boxes offer unlimited customization options to make your Mailer Boxes With Inserts stand out and enhance the customer experience leading to increased customer engagement with the brand. We are the best packaging company in the industry because we offer the most cost-effective packaging solutions and premium services to all our clients.

Can I Get Custom Mailer Boxes in Different Sizes?

Yes, we provide full customization freedom for mailer boxes. You can get Custom Size Mailer Boxes for your product. All you have to do is provide product dimensions to our design team and they will construct the mailer box that would perfectly fit your product. 

Can I Get Free Design Customization for Custom Mailer Boxes?

Yes, our goal as a brand is to cater to our clients with the best services at a minimum cost. Therefore, our graphic designer team provides free of cost design consultancy on every order that we receive. You can also avail of this service by contacting us right now!

How can Custom Mailer Boxes Boost Your Business?

As the market is expanding and the competition among brands is increasing, it has required brands to think more out of the box in order to get noticed by the customers. The brands that are putting more thought into the shopping experience of their customers are getting farther ahead than others. Therefore, the shopping experience has become more personalized than it ever was. Now the customers also require the brand to give them a more personalized experience. If you want to boost your business then you need to sell an experience rather than a product to your customer. If the purchasing journey is memorable the customer is more like to shop again from your brand.

Even in the online retail industry, the brands making the most sales are the ones giving an extraordinary unboxing experience to their customers. The Custom Mailer Boxes allow the brands to give that personalized experience to their clients, which otherwise may have not been possible. It also allows the brands to add additional accessories without compromising the security of the product. So, if you are looking to boost your business then mailer boxes are definitely a great option.

How to Increase Your Reach Through Custom Mailer Packaging? 

Custom Mailer Boxes allow you to give an extraordinary experience to customers with beautiful and captivating design prints. This chic packaging style is an automatic invite for the customers to post them on social media. The prettier the packaging, it is 40% more likely for the customer to post the picture on social media. A social media post would instantly spark interest and curiosity in the people who see it. Therefore, pretty and durable packaging is an investment for your brand because it will help double its reach.

Is the Custom Mailer Packaging Secure?

Yes, this packaging is extremely sturdy. We offer the Mailer Boxes in premium packaging materials that ensure the safety of the product throughout the storage period. This safety is enhanced with an interlocking system provided with closing flaps. So, you don’t need to worry about your product as custom mailer packaging is one of the most durable packaging styles available in the market. 

What Materials Do We Offer Custom Mailer Boxes In?

There are several materials that we offer for mailer boxes, each has its own specialty. You can choose the material based on your priority. We have the following material options that you can choose from:


These Corrugated Boxes are Extremely sturdy materials that provide optimum security to the packaged products.


These Kraft Boxes are made with Eco-friendly material that is biodegradable and gives an artisan look. 


Slightly sturdier than kraft, gives full freedom to customize the box. 


The best option when it comes to sturdiness and customizability together is Cardboard Boxes

If your product requires more safety then you can also request:

E Flutes 

B Flutes

F Flutes

In this way, you can maximize your product safety while still keeping the packaging looking chic. 

How Do I Design My Custom Mailer Box?

Well, we offer a user-friendly platform that enables our clients to get creative with their packaging design. You don’t need any expertise in graphic design to create a packaging design that makes a statement. We offer easy-to-use customization options that enable you to create your very own one-of-a-kind packaging. The process is as simple as selecting a box size, and then uploading graphics, text, and the company’s logo. You can choose from different design themes and color schemes depending on your personal preference.

You can choose a maximalist design or a minimalistic one, it all depends on your brand theme. If you want minimalistic design then you can go for custom black mailer boxes, but if you want a design that is funky and cute then you can go for a colorful theme. This way, you set the tone of your marketing that will be carried out with your brand. After you have created your design, our graphic design team reviews it and then gives it professional opinion and suggestions to make sure your vision is successfully brought to life. In this way, we have made the customization process simple and easy for our clients. 

Why choose Insta Custom Boxes?

You should choose us because our priority is fulfilling our client’s needs and helping them set their brand on the road to success with the best packaging. There are a number of services that set Insta Custom Boxes apart from the rest of the brand including:

Incompromisable Quality

We offer premium packaging material for all our clients to ensure the safe storage and delivery of the packaged product.

Free Design Consultation

No matter how small your order is, you can avail free design consultancy from our design team. 

35% Discount

We offer a discount of 35% on custom mailer boxes wholesale, which is a huge opportunity to save money.


Our minimum order quantity is as low as 25 boxes, which is an absolute steal. 

Free Shipping

We offer free shipping in the regions of the UK, US, and Canada. 

Minimum Turnaround Time

We offer the fastest services in the industry. Our minimum turnaround time is 8-10 days from the time of order placing until delivery.

Expedited Delivery Option

In case of urgency, we offer expedited delivery as well. 

Therefore, who better to choose? When you have the very best in business that is Insta Custom Boxes. Call us at (484)-258-2355 or email at to avail of all the above-mentioned services right now!


How To Contact Us?

You can either call us or email us at (484)-258-2355 and, and get the opportunity to avail these amazing benefits. 

Do you Have Free Design Support? 

Yes, we offer free design support on all our orders irrespective of the order quantity. 

Do you Have a Free Shipping Service as Well?

Of course, if you are from the UK, US, or Canada then you can get free shipping on all your orders. 

Do you Offer Any Discount?

Yes, you can get a 35% off on wholesale bundles. This is a great opportunity for smaller brands with minimal budget.

What You Always Get

Free Design Assistance

Customizing Cosmetic Boxes to your exact specifications is no-brainer with our expert's help. From assistance in technical aspects like size determination, material thickness selection to artwork consultation, we entitle you to put forth your requirements in designing a custom box that best fits your needs.

Either you provide us with a rough sketch, existing graphic or merely a design idea, we will do all the artwork necessary to create a box design that complies with your provided inspirations.

Order Required Quantity

With our minimum order quantity starting as low as 25 and producing many orders upwards of 50,000+ quantities and well over 5 million custom printed boxes produced a month, we can fulfil all your box quantity needs with confidence.

Be confident that no matter how small the size of your order, the quality of each box is top-notch along with all the benevolences like free shipping, free design assistance, free 3D prototypes, no die plate charges, and fastest turnaround is guaranteed.

Low Prices Guaranteed

Not only does Insta Custom Boxes make it easy and simple for you to get custom Cosmetic Boxes created according to your specifications but we also offer them at wholesale prices. How do we offer them at affordable prices? We are not a broker or reseller; our in-house printing facility helps to keep our prices always low. No extra charges for shipping and die-plates are incurred.

Moreover, we have been assisting thousands of businesses to get bulk quantity custom-orders on-time, and at most competitive prices along with special discount offers.

Insta Custom Boxes Finishing Assortment



Great for giving a rich, slick, shiny, & vibrant look to box ... Read more



Perfect for giving boxes a textured surface & soft touch



Provides a ritzy touch and pop-up specific area on boxes.



Prevent boxes from smudges, dirt, fingerprints & give wet lo ... Read more



Gives smoothness and shimmer to boxes with a spectrum of rai ... Read more



Express subtle contrast on specific area of boxes. Suitable ... Read more



Give raised or pressed feel to particular design elements of ... Read more



Prevent boxes from moisture, sogginess, & biological contami ... Read more

Select Stock Type & Thickness

Stock Type


Gives the box a smooth texture for desired printing outcome & easy foldability.

Best For retail Packaging Boxes
Stock Type


Makes the box recyclable and tear-resistant

Best for Eco-Friendly Packaging
Stock Type


Bestows the box with high-end appearance & luxurious feel

Best for Gift Boxes and Premium Boxes
Stock Type


Provides extra robustness and structural strength to boxes

Best for Shipping Boxes