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Custom Flat Boxes

(441 Reviews) In Stock

Custom flat boxes from NexGen Boxes are the ultimate space-saving, high-durability packaging solution engineered to cut storage overhead and protect products throughout transit. We manufacture them for smooth, modern e-commerce and retail.  These flat-pack boxes feature a clever, low-profile design. They are built to directly minimize dimensional weight (DIM weight) to eliminate costly express delivery surcharges and volume-based carrier fees.

 Whether you need rugged corrugated mailers or elegant folding retail cartons, we have the finest flat boxes for your brand. NexGen Boxes simplifies your supply chain with premium, easy-to-assemble custom flat packaging that keeps your inventory safe. We keep your warehouse organized and your shipping costs low.

$0.60/unit

Final cost depends on your specifications

SKU: CFB-1811 Category:
Quantity

Custom Flat Boxes Built Specially for Your Brand

Custom flat boxes are specialized low-profile packaging boxes.  These can be fully customized in different sizes. They are the perfect way for your unique structural designs and branding elements. Also, these flat mailers can be printed in any layout. They can match your brand identity, product theme, and marketing campaign.

 Moreover, they are made from sturdy corrugated material or high-density paperboard. These flat boxes keep low-profile products safe during shipping and handling. At the same time, their sleek, space-saving dimensions and clean printing improve product presentation. So these boxes combine space efficiency, protection, and style. This makes them a great choice for businesses who want their shallow packaging to stand out and also leave a lasting impression on customers.

Types of Custom Flat Boxes

We provide a variety of different flat box structures to match your unique product dimensions or theme needs. Also, you can order shallow mailer boxes in any custom size you want. Here are the common styles:

  • Flat Corrugated Shipping Mailers
  • Shallow Book & Media Boxes
  • Low-Profile Apparel Boxes
  • Flat-Pack Rigid Gift Boxes
  • Framed Art & Picture Shippers
  • Sleek Electronics & Gadget Flat Packs

Features Material Choices For Custom Flat Boxes

At NexGen Boxes, we offer custom flat boxes that provide strength. These box blanks have quite popular features like space-saving efficiency and convenience. This makes them a reliable option for many businesses.

You can pick from flat cardboard boxes in some standard size variations.  While unprinted for making smooth kraft surface very ideal. These bulk boxes for shipping also combine functionality and flexibility for extended appeal for businesses’ packaging.

  • They come with durable corrugated or thick paperboard construction
  • They protect flat products from bending during shipping and handling.
  • And their self-locking design makes them easy to assemble without the need for messy glue or tape.
  • Also, these boxes have secure front-tuck closures that keep low-profile items perfectly safe inside.
  • Their low-profile, flat, stackable structure offers highly organized warehouse storage and pallet shipping.
  • At the same time, they are lightweight and eliminate wasted air space, which makes them easy to handle while keeping dimensional shipping costs low.

Benefits of Custom Flat Boxes

Our custom flat packaging boxes are made from durable material that keeps your slim products safe during shipping while giving them a bold, tailored, and professional look. Many flat-pack retail boxes are made from thin, sleek paperboard (folding cartons). They are meant to look beautiful on a retail shelf or inside a shopping bag.

 They combine heavy-duty durability with eye-catching proportions, which makes your brand stand out in a competitive market. A few benefits are:

  • These boxes build a stronger brand identity by using precise dimensions that match your product style seamlessly.
  • Also, they improve the customer experience by eliminating useless plastic bubble wrap or loose void fillers.
  • Their compact and clean look adds a professional, high-end, and branded touch to your packaging.
  • These boxes are highly versatile, so they can be used for various slim or wide retail items.
  • Also, they offer a cost-effective way to reduce carrier dimensional weight fees with custom shallow options.

Industries That Use Custom Flat Boxes

Our custom branded flat packaging boxes are used by many businesses who want strong branding, secure flat transit, and a better customer experience. Also, these low-profile boxes make flat items stand out and create a lasting impression. They are used by:

  • Ecommerce brands shipping books, prints, or apparel
  • Art galleries and frame retail companies
  • Subscription box services for clothing or stationery
  • Marketing and PR agencies launching flat influencer kits
  • Fashion, textile, and beauty brands
  • Tech and gadget companies shipping tablets or slim components
  • Startups and small businesses looking to save on shipping costs

Printing Options

You can upgrade the look of your custom printed flat mailer boxes with high-quality printing and premium finishes. These options highlight your logo, brand colors, and structural design in an eye-catching way. 

We offer:

  • CMYK color system
  • PMS color system
  • Digital printing (Ideal for fast, short runs)
  • Offset printing (Best for bulk wholesale runs)

Premium Finish Options:

  • Matte coating/lamination
  • Gloss coating/lamination
  • Foil stamping (Gold, silver, or holographic)
  • Embossing & Debossing

Our Add-On Options

You can improve your custom flat box packaging by adding features that boost the look, security, and retail performance. These options make your shallow packaging more practical and also give it a more attractive look.

  • Window Cutouts: Clear PVC windows to give a sneak peek of your flat apparel or graphics inside.
  • Custom Cardboard Inserts: Precision die-cut internal tracks to lock flat tech or cosmetics perfectly into place.
  • Dust Flaps: Extended internal side flaps to keep dust and moisture completely away from your products.

You can choose us for:

  • Fast Turnaround
  • Full-Color Vibrant Printing
  • Free Expert Design Support
  • Free Shipping Worldwide
  • Low Minimum Order Quantity (MOQ)

Why NexGen Boxes is the Best Choice for Your Packaging Needs

If you want packaging that is perfectly sized, sleek, and attractive, you can stop your search, as we’ve got spectacular flat packaging. These custom flat boxes are the best option for retail, office, and e-commerce requirements. You can rely on our custom flat boxes wholesale as a great choice for your brand. We focus on creating custom packaging that improves product presentation. Our purpose is to get you flat-pack boxes that keep items safe during shipping and handling without wasting an inch of space. 

Each flat box has to be made in the right size. It has to match the material thickness and printing quality according to brand requirements.  At NexGen Boxes, we make the ordering process easy with clear design support and fast production.  From small startups to growing e-commerce businesses, we help brands with packaging solutions. We provide flat packaging solutions that fit every need.

Material Cardstock, Corrugated Cardboard, Rigid, Kraft
Material Thickness Paperboard (18pt to 24pt), Corrugated Cardboard (E-Flute), Rigid (36pt to 48pt)
Printing CMYK, Pantone, PMS, No Printing
Coatings Varnish, Lamination
Finishing Gloss, Matte, Soft Touch, Spot Gloss UV, Embossing, Debossing, Foil Stamping
Add-ons Custom Inserts, Window Patching
Sampling Flat View, 3D Mock-up, Physical Sampling (On request)
Quantities 100 – 500,000
Turnaround Time 8 to 10 Business Days
Shipping 2 to 3 Business Days