Products

Double-slot boxes

The double-slot box is the most common type of cardboard packaging on the market. It has identical slots at both the top and bottom. The process involves die-cutting, printing, gluing, and folding to finalize the box. The design is relatively simple. The double-slot box can be considered the ancestor of cardboard packaging boxes, representing the most primitive box type.

Application Scenarios & Exquisite Craftsmanship

Toothpaste boxes, pharmaceuticals, cosmetics, herbal tea

The Process of Customizing Packaging Boxes

We specialize in custom production of all types of card boxes. Whether it's standard white card boxes, color-printed card boxes, or high-end card boxes with complex processes like hot stamping, UV coating, and lamination, we can provide a one-stop service from design and sampling to mass production, tailored to your product characteristics, brand style, and packaging needs. Using professional equipment and mature processes, we create high-quality card box packaging that combines aesthetics and practicality.
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Contact Customer Service

Contact customer service to discuss your style requirements.
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Quotation and Order Placement

Confirm the style, receive a quote, and place an order.
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Sample Confirmation

Confirm the sample and production schedule.
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Production Scheduling

Production begins within 7 days.
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Production and Manufacturing

Production completed; product packaged.
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Product Inspection

Product production completed; full inspection completed.
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Packing and Warehousing

Product packaged and warehoused.
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Settlement and Shipment

Settlement and shipment completed on the same day.

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Custom Double-Slot Color Boxes (Tuck End Packaging)

The Double-Slot Box, also known as the Tuck End Color Box, is the most versatile and timeless packaging in the retail packaging industry and is the backbone of packaging for consumer goods worldwide. The Double-Slot Box is a simple yet powerful packaging solution that has functional slots/flaps at the top and bottom of the box and provides a simple yet powerful packaging solution that provides a simple yet very effective packaging solution with plenty of surface area for branding.

Straight Tuck End (STE) and Reverse Tuck End (RTE) double-slot boxes are custom made to your product’s exact dimensions at our advanced printing facility using custom-printed color cardstock. Double-slot boxes are ideal for use on high-speed automated packaging lines as well as for manual packaging and the custom-printed color cardstock boxes are designed to provide the perfect shelf face as well as 100% product protection.

 

 

 Structural Variants & Intelligent Engineering

Our double-slot folding cartons are designed to deliver excellent rigidity and a great tactile click closure. The two main configurations for these folding cartons to fit your production line are:

Straight Tuck End (STE) Boxes: In this design, both the top and bottom flaps tuck into the box from the exact same side (front-to-back or back-to-front). This creates a clean, uninterrupted silhouette on the front panel—highly preferred for premium cosmetics and high-end tech accessories.

Reverse Tuck End (RTE) Boxes – The top and bottom flaps tuck in from opposite directions. This end style enables best possible use of material in mass industrial die-cutting allowing for the least possible material waste. Consequently it leads to lowest possible per-unit wholesale cost.

Security Slit & Slit-Lock Features: All of our custom retail boxes are cut with special Security Slits in the box slot. These slits lock the tuck flap into place to keep the box from ever coming open unintentionally. This is especially nice for boxes traveling long distances as well as boxes being used in busy retail stores.

 

 Premium Material Selection

A retail box can create an impression of the value of your product through its tactile qualities. We source high quality durable card for your retail boxes. We can source a premium grade of cardstock in a weight that is suited to your target market and price point.

Premium SBS White Cardboard (C1S / C2S): High quality paperboard ranging from 250gsm to 450gsm. This ultra-white, smooth clay-coated paperboard is ideal for premium retail graphics due to its superior color reproduction and printing sharpness.

Kraft Cardstock (Natural Brown / Bleached White) – This earthy Kraft Cardstock is perfect for Eco Friendly brands, Organic Skincare lines and even Artisanal Products. Made from 100% recyclable materials and biodegradable too, it is very strong and is tear resistant.

Black & Specialty Textured Paperboards: The perfect packaging solution for minimalist luxury packaging, allowing for design to stand out without the need for heavy ink coverage. Paperboard offers a beautiful matte finish.

 

 High-End Surface Finishing & Printing Craft

With the aid of our industrial multi-color Heidelberg offset printing machines we transform plain paperboards into marketing masterpieces with refined surface decorations of professional standard.

Drip-Off / Reverse Matte Varnishing : A sophisticated coating technique that applies a rough matte finish to the background of a print and simultaneously renders a specific logo or graphic in high gloss, like a mirror finish.

Spot UV & 3D Raised Coating. This coating draws the eye and fingers of the consumer to the logo or name of the product created as a raised smooth high gloss area against a matte film laminated background.

Precision Foil Stamping: All brilliant metal colors such as Gold, Rose Gold, Silver, and Matte Black as well as multi-dimensional Holographic foils. These papers take the foil perfectly & the foil adheres to the paper fibers and doesn’t flake off.

Embossing & Debossing: The deep and precise industrial die-pressing that lends brand crests and patterns extra depth and high end dimension in premium quality embossed and debossed metal signs.

Crystal-Clear PVC/PET Windows: With precision die-cut slots covered in transparent films, consumers are able to see the product within the rigid box whilst it remains secure.

Applications

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Universal Applications Across Retail Sectors 

Our double-slot color boxes are used by many industries. The flat shipping version of these boxes and the fast assembly time are major reasons for this.
Travel Cosmetics & Personal Care: Lipsticks, essential oil bottles, facial serums, moisturizing creams and perfume travel sprays.
Consumer Electronics & Gadgets: Charging cables, phone cases, smart earbuds, vape kits and LED components etc.
Pharmaceuticals & Supplements: Vitamin bottles, dropper tinctures, healthcare tablets, beauty collagen packs.
Gourmet Food & Confectionery: Artisan chocolate bars, Premium tea bags, Whole spice jars and Macarons from boutique patisseries.
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Why Choose Our Factory for Your Double-Slot Box Wholesale?

Direct Manufacturer Pricing - We cut out the middleman and offer direct-from-factory wholesale pricing at very competitive levels with consistent lead times.
High-Speed Automated Production: Our folder-gluer is mounted on a fully automated production line for high-volume production of folder-gluer jobs. We guarantee dimension accuracy across all production runs – up to hundreds of thousands of units.
Logistics & Warehousing Efficiency: Shipped 100% flat & tightly palletized to keep your international ocean freight costs down and your storage space optimized.
We conduct Strict Quality Control (QC) to check creasing, folding and burst strength of all paper products to be used on high-speed automatic filling lines.

One-Stop Custom Color Box & Gift Box Manufacture Factory

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