UNLIMITED CUSTOMIZATION OPTIONS

A printing technique employing a plate to transfer designs onto paper. Ideal for extensive print jobs.

Plate-free digital printing transfers designs electronically, cost-effective for short runs.

Screen printing is a method using a mesh screen and stencil to transfer ink onto a substrate.

Quick-drying printing technique utilizing ultraviolet lights for ink curing, yielding a glossy finish.

Consisting of water-based pigments, Ensures top-notch color output with a 100% eco-friendly profile.

Fluorescent inks are vibrant, UV-reactive pigments that emit vivid colors under ultraviolet light.

Generate pure colors using specific ink formulas to consistently & precisely reproduce color in printing.

Produce metallic colors through precise ink formulations to replicate color in printing.

Premium bleached white paperboard, specially coated on one side to enhance printing & finishing.

Bleached white paperboard, coated on both sides to achieve superior printing quality and finishes.

Top-notch textured paper, perfect for adding a touch of style when wrapping up durable boxes.

A unique paper material showcasing a shiny or matte metallic laminated surface.

Bleached kraft paper crafted from a blend of new and recycled pulp, coated on both sides for optimal printing.

Kraft paper produced from a combination of new and recycled paper pulp, with coating on both sides for printing purposes.

Kraft paper dyed black, manufactured from a blend of new and recycled pulp, and coated on both sides for printing applications.

Crafted from recycled grey chipboard cardboard, also known as uncoated recycled paperboard, ideal for luxury rigid boxes.

Unique paper material showcasing a holographic laminated surface in either glossy or matte finish.

Grey chipboard, one-sided white cardboard with a smooth, printable surface, ideal for luxury rigid boxes.

Gloss lamination enhances visual appeal by applying a shiny finish, and protecting printed materials.

Matte lamination offers a non-reflective finish, providing elegant appearance to printed materials.

Made with a smooth lamination that feels like touching a peach, can choose between a satin or matte.

A UV coating is applied to a specific area and then cured using ultraviolet light to make it sturdy.

A transparent coating is applied using the CMYK printing technique, and it comes in gloss, satin, or matte.

A fast-drying coating that undergoes curing through ultraviolet light is offered in both gloss and matte.

In a printing method, dies are pressed onto the back of the material to create a raised motif.

A printing technique that involves pressing dies onto the front of the material to create a raised motif.

In foil relief printing, foil is transferred at high temperatures, often employing multiple colors.

Craft a die-cut shape with a plastic film layer, revealing a window to showcase the product inside.
Get a free quote for any custom box right now, no matter how challenging.
We recommend the ideal material and add-ons like lamination, foiling, embossing UV, etc.
Get Free Design Support with your box 3d Renders or Send Your Design File for Printing.
Upon design approval, we’ll print and conduct quality checks before shipping the boxes to you.
Technical Specifications
| Dimensions | Available in Custom Sizes |
| Printing | CMYK, Pantone Color, Full Color & No Printing |
| Paper Stock | Eco-Friendly Kraft, Corrugated Cardboard & Premium Rigid Stock |
| Coating | Semi-Gloss AQ, Gloss UV, Matte UV & Spot UV |
| Default Process | Die Cutting, Gluing, Scoring, Perforating |
| Custom Options | Window Cut Out, Gold/Silver Foiling, Embossing, Raised Ink |
| Proof | Digital Proof, 3D Mock-Up |
| Shipping | Shipped FLAT (Free Shipping Across USA & Canada) |
| Help | For further inquiries and Quotes, contact us or email at sales@cratpackaging.com |
Snap Lock Bottom Boxes use a crash-lock, tape-free base that folds flat and snaps into a sturdy bottom in seconds, and Crat Packaging manufactures this construction style wholesale for any product category that needs fast, tool-free assembly.
Snap Lock Bottom Boxes Specifications
| Box Style | Snap-lock (crash-lock) auto-bottom carton |
|---|---|
| Material | Corrugated E/B-flute or SBS paperboard, 200-350 GSM |
| Assembly | Tool-free, tape-free, folds and locks in seconds |
| Best For | Fulfillment, retail display, subscription kits, bulk shipping |
| Print Options | Offset or digital print, 1-4 color, custom die lines |
| Order Volume (MOQ) | 150 units minimum, tiered wholesale pricing |
| Shipping | Flat-packed for efficient freight, ships nationwide |
A Construction Method, Not a Single Product Category
The snap-lock (also called crash-lock or auto-bottom) base is a structural technique: interlocking panels fold into a self-locking bottom the moment the box is opened, with no tape, glue gun, or manual folding required on the packing line. Crat Packaging builds this bottom style into any box shape or size you need, from small retail cartons to large shipping boxes, which is why this product is sold as a general packaging line rather than tied to one industry. Warehouses and fulfillment teams choose it specifically to cut assembly labor time compared to standard tuck-bottom or glued-bottom cartons.
Common Uses for Snap Lock Bottom Boxes
- E-commerce fulfillment: faster line assembly for high-volume order packing
- Retail display cartons: a clean, reinforced base for shelf-facing boxes
- Subscription and kit boxes: quick setup for recurring pack-out operations
- Bulk shipping cartons: a stronger bottom for heavier packed contents
Material & Format Options
We produce the snap-lock bottom in both corrugated board, for shipping-grade strength, and SBS paperboard, for a cleaner retail finish. The locking mechanism is engineered into the die line so the base holds securely under normal handling and stacking without added tape.
Sustainable Packaging You Can Trust
A 2025 McKinsey & Company survey found over 60% of U.S. consumers pick green packaging when they have the choice. Crat Packaging offers recyclable and FSC-certified board options…
Who Buys Snap Lock Bottom Boxes Wholesale
- E-commerce and fulfillment centers packing high order volumes
- Retail brands wanting faster in-store carton assembly
- Subscription box companies with recurring pack-out schedules
- Manufacturers shipping products that need a reinforced base
Why Order From Crat Packaging
- Wholesale pricing with volume tiers for repeat buyers
- Free design support from our in-house packaging team
- Low minimum order quantities for small businesses and startups
- Fast US delivery from domestic production facilities
- Tape-free assembly that measurably cuts packing-line labor time
- Reinforced locking base rated for heavier packed contents
How to Order
- Send us your dimensions, material preference, and print needs
- Receive a free digital proof for review within 24-48 hours
- Request an optional physical sample before committing to a full run
- Approve the proof and we print, produce, and ship your order
Frequently Asked Questions
What does ‘snap lock’ mean for this box style?
The bottom panels interlock and self-lock into place when the box is opened, with no tape or glue needed.
Can this bottom style be added to any box size?
Yes, we engineer the snap-lock base into custom die lines for nearly any box dimension.
Is it strong enough for shipping heavier products?
Yes, in corrugated board the locking base is rated for standard shipping and stacking loads.
What is the minimum order quantity?
Our standard MOQ is 150 units, with better per-unit pricing at higher volumes.
Does this save time on a packing line?
Yes, most fulfillment teams report meaningfully faster carton assembly compared to tape or glued-bottom boxes.
Can I get a sample to test the locking mechanism?
Yes, we offer physical samples so your team can test the fold and lock before a full production run.
Shop with Confidence


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