Enhance the value and presentation of your products with custom black mailer boxes that combine style, strength, and convenience. These boxes also support consistent branding, creating a more recognizable customer experience across repeat orders. Choose them for clean, modern packaging that protects products while promoting your brand.
We create custom packaging that combines premium presentation, smooth ordering, and dependable delivery for brands that value quality and efficiency.
25+ Years of Experience
Serving industry for more than 25 Years
In-House Manufacturing
Production facilities in US , Middle East & Asia
Low Minimum & Flexible Customization
Starting from as low as 100 boxes
Global Service with Fast Turnaround
6-8 Bussiness days all accross the globe
We give you complete freedom to tell your brand tale via dazzling packaging prints. Well, we don't know what you want unless you specify us. It's a give-and-take process; select box dimensions, choose material, and upload pictures of the most inspiring packaging. In return, we will deliver your dream packages. Fill in the specifications and get a chance to win your business game.
We source premium-grade materials to ensure your packaging is both beautiful and functional. Every stock we offer is selected for its print performance, structural integrity, and eco-friendliness.
Rigid Cardboard
White Kraft
SBS C2S
Texture Paper
Metallic Paper
Natural Brown Craft
Holigraphic Paper
White Cardboard
Black Kraft
We deploy state-of-the-art printing technologies to bring your design to life with unmatched accuracy and vibrancy. Choose the method that best suits your order size, material, and finish goals.
Digital Printing
Offset Printing
UV Printing
Screen Printing
The right ink transforms good packaging into great packaging. We offer a comprehensive range of inks — from standard CMYK to specialty metallics — ensuring your brand colors are reproduced with absolute fidelity.
Flouroscent Color Inks
Water Based Inks
Pantone Metallic
Soy/Vegetable Based Inks
Oil Based Inks
Pantone Colors
A great finish elevates your packaging from ordinary to extraordinary. Our wide range of finishing options lets you add tactile luxury, visual depth, and brand distinction to every box.
Gloss UV
Lamination
Anti Scratch Lamination
Aqueous Coating
Silk Lamination Cards
Soft Touch Coating
Drip Off
Take your packaging beyond the basics with our premium add-on options. Each add-on is designed to improve functionality, enhance unboxing, or add premium details that delight your customers.
Embossing
Debossing
Holographic Foiling
Window Patching
Hotfoil Stamping
Coldfoil Printing
Give every order a strong, professional look with wholesale custom black mailer boxes. These boxes are suitable for online stores, retail products, gifts, product launches, and monthly subscription kits.
Our team helps you choose the size, board, print style, coating, and insert. Custom Boxes Tech has supported packaging buyers since 2002. We offer a low MOQ, free design support, a free sample option, and after-sales help.
Minimum order quantity: 100 boxes
Production time: 7–12 business days after approval
Customer support: 24 hours a day
Design support: Free
Sample option: Free
Main markets: USA and Canada
Get your custom quote today and start with only 100 boxes.
A close-fitting box protects your products and reduces wasted space. Share the product dimensions, packed weight, insert depth, and shipping method with us. Our team will recommend a practical size.
Inside Size | Metric Size | Common Use |
6 × 4 × 2 in | 152 × 102 × 51 mm | Jewelry and cards |
8 × 6 × 3 in | 203 × 152 × 76 mm | Skincare and tech goods |
9 × 6 × 2 in | 229 × 152 × 51 mm | Books and flat kits |
10 × 8 × 4 in | 254 × 203 × 102 mm | Clothing and gift sets |
12 × 10 × 4 in | 305 × 254 × 102 mm | Subscription kits |
Custom size | Made to fit | Bundles and odd shapes |
A black mailer box with a fitted paperboard insert keeps jars, bottles, cards, or small parts securely in place. It also reduces the need for loose fill and creates a neat product presentation.
Black stock requires the right printing plan. Light-colored inks may need a white base coat to remain bright and legible. Our artwork team checks text size, line weight, folds, cut lines, and logo placement.
CBT supports one-color logos, two-color artwork, digital printing, offset printing, and inner-lid designs.
Print Method | Best Use | Main Benefit |
1-color flexo | Simple logos | Lower setup cost |
2-color flexo | Icons and patterns | Strong color blocks |
Digital printing | Short runs with detailed artwork | Fast setup |
Offset printing | Premium graphics | Fine image detail |
Two-sided printing | Inner and outer artwork | More brand space |
Use custom mailer boxes with inside and outside printing when you want a simple outer design and a stronger message under the lid.
Larger orders often reduce the price per box.
The final price depends on:
Box length, width, and depth
Board type and wall strength
Print colors and coverage
Coating or special finish
Insert or divider style
Total order quantity
USA ZIP code or Canadian postal code
Custom Boxes Tech gives you a detailed quote before production.
100–249 units: Product launches and test orders
250–499 units: Seasonal sales
500–999 units: Regular online orders
1,000+ units: Better unit savings
Choose black mailing boxes with logo for small-batch boutique orders containing clothing, beauty products, stationery, gifts, or fashion accessories.
The board must match the packed load. Product weight, box size, stack pressure, and shipping distance all affect the right choice.
E-flute thickness: About 1.0–1.8 mm
B-flute thickness: About 2.1–3.0 mm
E/B double-wall thickness: About 4.0–5.0 mm
Common liner stock: 125–200 GSM per layer
Size tolerance: About ±1/8 inch or ±3 mm
Suggested artwork bleed: 0.125 inch or 3 mm
Common color mode: CMYK
Suggested image quality: 300 DPI
Use corrugated mailer boxes with slim E-flute boards for lightweight products that need a smooth printing surface.
An A5 square black corrugated mailer box for compact gift sets requires confirmed dimensions because A5 and square formats use different proportions. Send the item size and insert plan before our team creates the dieline.
The finish changes the shine, feel, and cost. Pick one or two effects that support your brand. Too many effects can make the design look busy.
Finish | Look or Feel | Best Use |
Matte lamination | Low shine | Fashion and beauty |
Gloss lamination | Bright shine | Photos and bold artwork |
Soft-touch coating | Smooth feel | Gifts and PR kits |
Spot UV | Shine on chosen areas | Logos and patterns |
Gold or silver foil | Metallic effect | Brand names |
Embossing or debossing | Raised or recessed mark | Simple logos |
Aqueous coating | Light surface protection | Daily retail packs |
An open black mailer box with a premium inside-lid message can create a more deliberate unboxing sequence. Place the logo outside, the message under the lid, the product in the center, and the offer card on top.
CBT checks how each finish interacts with folds, tabs, and cut edges. This step helps prevent cracked coatings, weak foil details, and hard-to-read text.
Roll-end mailers use side walls, dust flaps, a front tuck, and locking tabs. Staff can fold the box by hand without glue.
Use custom black shipping boxes with roll-end locking tabs for regular online orders. Add tape, a security seal, or a peel-and-seal strip when your shipping route needs a stronger closure.
We also offer custom boxes wholesale solutions for Canadian subscription brands, with metric sizing, bilingual artwork, and designated space for shipping labels.
Fashion: Shirts, socks, ties, and accessories
Beauty: Jars, tubes, bottles, and care kits
Jewelry: Rings, watches, bracelets, and cards
Books: Guides, notebooks, catalogs, and print sets
Tech: Chargers, cables, cases, and small devices
Subscription goods: Mixed monthly kits
Business gifts: Staff packs and client sets
An A5 square black corrugated mailer box with a branded lid can suit card sets, sample packs, and flat gifts.
Choose custom mailer boxes sized around your packed product to reduce empty space, extra fill, storage use, and packing time.
Our design team checks four key areas:
Cut lines and fold lines
Text size and safe zones
Image quality and color notes
Logo position on each panel
CBT can place your logo, QR code, care note, social handle, and product message on the dieline.
A black mailer box with a custom insert for fragile items can keep products away from the outer walls. This setup is suitable for glass jars, bottles, candles, and small tech products.
Custom Boxes Tech checks the box size, stock, print position, color specifications, folds, tabs, and finish details.
Use corrugated boxes with double-wall stock for heavier loads when the package needs more stack strength. Heavy or fragile goods may also need pads, inserts, or dividers.
Our after-sales team helps with restocks, artwork changes, and order-related concerns. When reporting an issue, share photos, affected quantities, and the labels from the outer cartons.
Use custom black shipping boxes with fitted dividers for multi-item kits to hold several products securely and prevent them from colliding during transit.
Send your box size, quantity, artwork, packed weight, and delivery location. Our team will help you choose the board, print method, finish, and insert.
Order wholesale custom black mailer boxes with a minimum order of 100 units. Call 1 (888) 247-7075 or send your box details to support@customboxestech.com.
Quick answers to help you get started with confidence.
Measure the product after adding all packaging components. Include tissue, inserts, cards, cables, lids, pumps, and protective wrap.
Use this order:
Length: longest side
Width: shorter horizontal side
Depth: full packed height
Allow 0.25 to 0.50 inches when the product needs additional fitting room
Measure at least three items when product sizes vary
Our team uses these numbers to prepare the internal box size.