"Quality exceeded expectations. Customers keep commenting on the packaging."
"Fast turnaround, zero errors. Perfect eco kraft boxes for our sustainable brand."
"Switched from a competitor — night and day difference in quality and service."
Side Lock Six Corner
Side lock six-corner boxes are one of the most utilized in the industrial sector; these containers are famous due to their unique and secure design. These containers provide a vast housing space inside, and you can also tailor these cases per the item's dimensions. These cases are manufactured with high-quality card stock materials, which are dynamic for keeping the housed product in perfect shape. The choice of materials for these containers can depend upon the nature of the product, ranging from Kraft material to corrugated sheets of cardboard and E-flute material.
100% Print Quality Guarantee
Not satisfied? We reprint or refund — no questions asked, every order.
Configure & Quote
Choose box type, size, finish, and quantity. Fill our instant quote form — response within 2 hours.
Design
Upload your artwork or just share your logo. Our free design team builds print-ready artwork for you.
Payment Process
After approving our digital files and being satisfied, we process the project amount.
Production
After final file approval and payment, our expert production team gets to work immediately.
Delivery
We use trusted courier services like FedEx, Skynet, and DHL for fast, reliable delivery.
| Box Style | Mailer Box (Tuck-end / Auto-lock / Snap-lock) |
| Dimension | All Custom Sizes & Shapes |
| Minimum Order | No Minimum Order Required |
| Stock | E-Flute, B-Flute Corrugated, White Kraft, SBS Board (10pt–28pt) |
| Printing | No Print, CMYK, CMYK + 1 PMS, CMYK + 2 PMS |
| Finishing | Gloss, Matte, UV, Spot UV, Embossing, Foil Stamp, Soft Touch |
| Included | Die Cutting, Gluing, Scoring, Perforation |
| Additional | Eco-Friendly, Recycled, Biodegradable, Food-Safe |
| Proof | Flat View, 3D Mock-up, Physical Sample (on request) |
| Turnaround | 7 Business Days · RUSH 3–4 Days |
| Shipping | Free to all USA addresses |
| Certifications | FSC Certified · Recyclable · Food-Safe Available |
Instant Quote
Not sure about dimensions? Fill this and our team responds in 1 hours.
🎨 Free Design Consultation!
Our design team tests different layouts until you find the one that speaks to your brand — at zero cost on every order.
Cardboard
Minimal environmental impact, minimizes waste. Great for lightweight retail products.
Kraft
Strong, durable, and reliable. Widely used eco-friendly material across many industries.
Rigid
Highly protective, affordable, and recyclable. Provides maximum protection for premium products.
Corrugated
Easy to customize, cost-effective, and sustainable. Ideal for branding and shipping.
Foil Stamping
Gold, silver, or rose gold foil. Adds a luxury metallic effect.
Spot UV
High-gloss UV on selective areas for a shine effect.
Gloss
Vibrant glossy finish increasing color brilliance.
Matte
Premium velvety finish. Fingerprints less visible.
Embossing
Raised 3D texture. Transfers finest brand details.
Debossing
Pressed-in graphics create a unique tactile experience.
Soft Touch
Velvety soft-touch lamination adds texture and protection.
Holographic
Diffracts light to reveal rainbow colors at all angles.
Description
Secure Your Products with Side Lock Six Corner Boxes
The side lock six corner boxes exude style while providing maximum protection for enclosed items. Regular four sides can be transformed into squares or rectangles as needed. For "Boxes by Style" packaging, we prioritize to match your brand's exact style precisely as you specify. Additionally, you can benefit from our affordable wholesale prices and free delivery across the USA. The cherry on top is that bulk purchases don't incur additional charges for printing plates or cutting die equipment. Products come in various sizes and forms, so it's important to package them inside lock six corner boxes designed for them.
Our boxes may change into squares or rectangles with different depths to perfectly fit a variety of products. Deeper boxes with narrower edges are ideal for foods like pastries, cakes, or dense clothing fabrics. However, shallower boxes with broader edges are a packaging match made in heaven for flat food items like pizzas. Any card stock can protect the encased product with care. You can also use the personalization options available in these cases to embellish containers.
Luxury Printing That Is Personalized to Your Quality Brand
Regardless of the product category, we recognize the value of flawless packaging with flawlessly coordinating themes, colors, and designs. Thanks to the team of talented printing specialists at Custom Box USA and their cutting-edge machinery, your boxes will be decorated with the ideal brand and product theme under your specifications. Our side-lock six-corner packaging boxes and customizable packaging solutions offer secure storage and stylish product design.
Delicate Finishes and Sturdy Material
Since quality is necessary, we only use the best cardboard, Kraft paper, and corrugated materials. Our cutting-edge processing machinery guarantees that the finishes will last a long time. Additionally, the smooth surfaces of our materials improve how premium your products feel in general. You can choose various thicknesses without worrying about the final result feeling rough or unsuitable for your brand's reputation. Introducing a versatile packaging solution that offers seal end auto bottom on one side and tuck end flaps on the other. Perfect for accommodating multiple items and heavy-weight products, these boxes can be easily folded into a flat shape for space-saving storage and promptly restored to their original form.
Easy Assembly: Side Lock Six Corner Boxes Arrive Flat
Our side lock six corner boxes are designed to be delivered flat, with machine-bent edges and lines that make assembly a breeze. We prioritize material quality and precise printing strategies adapted to bulk requirements. Our competitive bulk prices include free USA-wide delivery and no additional charges for printing plates or cutting die equipment. Trust us for your packaging needs; we've got you covered.
Packaging solutions that are functional and enhanced in visuals are needed for every manufacturer. These containers can help manufacturers ensure the product's safety and elevate the packaging's visuals to make consumers allure. Side lock six-corner boxes are one of the best designs available in the market; these containers are highly efficient in providing extra protection to the product. The locking flaps on the sides of containers help equal weight distribution when you exert a heavy load on them. This feature can prove to be beneficial during the stacking of the containers. This style is also used in the bakery and food industry for packaging sensitive items; you can also line these cases internally by using a PE layer to retain the freshness of food items.
CustomBoxUSA is one of the leading suppliers of side lock six-corner boxes. We are experienced in manufacturing these containers, and our knowledge and expertise enable us to process bulk orders in a minimum turnaround period.
Protection of the product
This packaging style is one of the most protective solutions when packaging sensitive items. The high-quality construction of these containers helps protect the encased items most effectively. The flip locks on the sides help achieve the sturdiest outcome for the container, as this packaging style can house a load of weight effortlessly. These containers are also utilized to package fragile edibles and bakery items. The PE layer can make the cases resistant to moisture, dampness, and water damage. Side lock six corner supplies by our brand are superior in functionality due to the utilization of premium quality materials by our brand in the manufacturing process of these containers. Our experts ensure all the materials are according to our quality control standards so we can provide you with the best quality containers at your disposal.
Elevated looks
These containers help protect the encased products and work effectively to enrich the visual appeal. You can use different customization options to enhance the appeal of your packaged product. You can use add-ons such as custom cut-out windows to elevate the look of your product, or you can utilize the printing feature on the containers to imprint any desired graphics and vivid illustrations. Custom-made side lock six-corner supplies by our brand are printed using high-end printing techniques such as digital printing to provide an optimal level of visibility to the printed material.
We also provide a free design service, and you can contact our design team to develop your visually enhanced box designs. You can also use foil embossing to stamp your business logo and message on these containers.
Lowest cost
This packaging solution is highly versatile and can be customized using any desired embellishment technique. You can ensure the safety of your products due to the high-quality construction of the containers and the sturdy choice of materials that provide a premium feel. Despite this packaging style's unique features, you can get these containers at low rates using our services. We provide you with the best side lock six-corner packaging and printing services at low rates compared to other suppliers.
Full CMYK Printing
Vibrant, photographic-quality print on every panel. 300 DPI resolution ensures crisp logos and artwork.
Eco-Friendly Materials
Made from recycled corrugated or kraft board. 100% biodegradable and FSC-certified materials available.
Fully Custom Sizes
Any dimension you need — from small jewelry mailers to large product shipping boxes. No constraints.
Premium Finishes
Matte, gloss, soft-touch, foil stamping, embossing, and spot UV — all available on every style.
Auto-Lock Bottom
Pre-glued auto-lock bottom for fast packing. No tape needed — saves time on your fulfillment line.
Free Design Service
Share your logo and brand colors — our team creates print-ready artwork at zero cost, every order.
"Quality exceeded expectations. Customers keep commenting on the packaging — really elevates the unboxing experience."
"Fast turnaround, zero errors. Eco kraft boxes are perfect for our sustainable brand. Ordering every quarter."
"Switched from a competitor — night and day difference. Free design support saved us hundreds in agency fees."
"200 custom mailers for our product launch — arrived 2 days early, colors spot on. Customers DMing us about the packaging!"
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