Product Video
Auto-Lock Bottom Box - One-Fold Instant Assembly
Transform your packaging with auto-lock bottom boxes. The revolutionary one-fold design locks instantly — no glue, no tape, no tools required. Just fold and the bottom secures itself in seconds. Made from premium 250-400gsm cardstock with custom printing options for a professional brand presentation.
Flat shipping reduces logistics costs by up to 60%. Assembles in 3 seconds.
Customized Pricing
FOB China Port ? Price varies by size, material & quantity
Get your quote in 24 hours + Free design consultation
Supply Chain Certification Support
Technical Specifications
Feature
Auto-Lock Bottom, One-Fold
Options
Auto-Lock: tool-free instant assembly. Tuck End: standard fold. Snap Lock: secure closure. RSC: versatile shipping style.
Material
Cardstock (250-400gsm) for lightweight. Corrugated (E/B/EE flute) for heavier items. Optional: Kraft, White Board.
Durability
Holds 1-5kg depending on cardstock GSM. Reinforced auto-lock bottom for secure closure during shipping.
Printing
CMYK, Pantone, Screen (200 LPI). Full-color branding.
Finishing
Gloss/Matte Lamination, Spot UV, Gold/Silver Foil, Soft-Touch, Embossing. Enhances visual appeal.
MOQ
Flexible MOQ. Sample orders of 10-50 pieces available for quality verification.
Lead Time
12-18 business days standard. Sample: 5-7 days.
Packaging
Flat-packed for efficient shipping. 200-500pcs per carton. Ships flat, assembles in seconds.
Gloss Lamination
High-shine reflective finish for vibrant colors and premium look.
Matte Lamination
Soft-touch elegant finish with anti-scratch properties.
Foil Stamping
Gold, silver, or metallic foil for luxury branding effects.
Embossing
Raised patterns for tactile premium feel and brand texture.
Spot UV
Highlight specific areas with glossy UV coating contrast.
Soft-Touch
Velvety texture for ultra-premium unboxing experience.
Quick reference for commonly requested sizes. Custom sizes available upon request.
Customized
Cosmetics, Jewelry, Small Gifts
Customized
Smartphone Cases, Accessories
Customized
Tablets, Books, Clothing
Customized
Electronics, Multiple Items
Customized
Heavy Items, Bulk Products
Customized
Premium Gifts, Large Items
Common Mistakes to Avoid
Incorrect Bottom Lock Alignment
Key Consideration: The auto-lock bottom mechanism requires precise alignment for reliable locking. Misaligned locks may cause premature opening during shipping.
Tip: Always request a sample to test the auto-lock mechanism before bulk orders.
Incorrect Fold Score
Key Consideration: Improper scoring causes cracking or uneven folds.
Tip: Request test folds before bulk production.
Overfilling Assembled Box
Key Consideration: fold-flat boxes have weight limits when assembled.
Tip: Specify product weight for reinforced corner option.
Storage in Humid Conditions
Key Consideration: Flat storage in damp conditions may affect adhesive.
Tip: Store in dry environment, consider moisture-resistant coating.
Pricing
Packaging Collections
Material Selection Guide
Choose the right materials for your packaging needs
📦Base Board (9 Options)
| Category | Available Materials |
|---|---|
| Paperboard | Corrugated Board / Greyboard / White Board / Black Board / Kraft Board / White-lined Chipboard / White-top Chipboard / Honeycomb Board / MDF Board |
🎨Surface Paper (15 Options)
| Category | Available Materials |
|---|---|
| Paper | Coated Paper / Offset Paper / Kraft Paper / Metallic Paper (Gold/Silver) / Pearl Paper / Touch Paper / Leatherette Paper / Art Paper / Cotton Rag Paper / Recycled Paper / Aluminum Foil Paper / Tracing Paper / Copy Paper / Glassine Paper / Holographic Paper |
🧵Surface Material (15 Options)
| Category | Available Materials |
|---|---|
| Fabric & Leather | Flannel / Leather / PU Leather / Genuine Leather / Vegan Leather / Linen / Canvas / Cotton Cloth / Silk / Non-woven Fabric / Oxford Cloth / Nylon / Polyester / Suede |
🛡️Interior Lining & Cushioning (25 Options)
| Category | Available Materials |
|---|---|
| Foam & Plastic | EVA Foam / Sponge / Pearl Cotton (EPE) / EPS Foam / XPS Foam / PU Foam / Molded Pulp / Blister Packaging (PVC / PET) / Plastic Tray |
| Paper-based | Greyboard Insert / Cardstock Insert / Folded Paper Insert / Corrugated Divider / Corrugated Roll / Honeycomb Board Insert |
| Fabric | Velvet Lining / Flannel Lining / Non-woven Bag |
| Bags & Fillers | OPP Bag / PE Bag / Cotton Bag / Linen Bag / Air Bubble Film / Air Column / Inflatable Bag / Paper Crinkle Fill |
💡 Need help customizing?
Need help customizing the material combinations for your specific product? Just share your product type and use case — I'll recommend the best pairing.
Finishing Options
Production Process
Factory Production Video
Shipping & Packaging
200 units per carton. Reinforced packaging ensures safe international delivery.
Supply Chain Capabilities
Daily Capacity
50,000+ pieces per day. Scale production to meet your demands.
Clients Served
500+ B2B clients worldwide. Trusted by global brands.
Global Export
Exported to 80+ countries. Reliable international shipping.
24/7 Support
2-hour response guaranteed. Dedicated account manager.
Why Choose EcoPacki
See how EcoPacki stands out from other packaging suppliers.
| Feature | EcoPacki | Others |
|---|---|---|
| Auto-Lock Design | Yes (Instant Lock) | Manual assembly only |
| Free Plain Samples | Yes (shipping applies) | Charge for samples |
| Sample Refund | 100% refundable | Often not refundable |
| Response Time | 24 hours | 2-5 business days |
| Design Consultation | Free expert advice | Extra charge or none |
| Quality Assurance | Quality Assured | Varies significantly |
| MOQ Flexibility | From 200+ pcs | Often 1000+ pcs |
| Global Shipping | 80+ countries | Limited regions |
Perfect For
Key Features
One-Fold Instant Assembly
Auto-lock bottom structure locks automatically when folded. No glue, tape or tools required. Assembles in under 1 second.
Space-Saving Flat Shipping
Ships flat to reduce storage and shipping costs by up to 60%. Stack and store efficiently in warehouse or retail backroom.
Eco-Friendly Materials
Made from 250-400gsm recyclable cardstock with optional FSC certification. Biodegradable and environmentally responsible.
Premium Finish Options
Available with gloss or matte lamination for a professional, high-quality appearance that enhances your brand image.
Durable & Secure
Reinforced auto-lock bottom provides structural integrity that holds up during handling, shipping and display.
Cost-Effective Solution
Simple assembly reduces labor costs. Flat shipping cuts logistics expenses by up to 60%.
Frequently Asked Questions
🎁 New Customer Offer
First-time customers get exclusive benefits:
Sample Available
Contact for details
Bulk Discount
Special pricing for first order
Free Dieline
+ Design artwork suggestions
Quality Control Process
Every order goes through our rigorous 5-step quality inspection
Raw Material Test
Paper weight, thickness, burst strength
Printing Check
Color accuracy, registration, coverage
Die-Cut Inspection
Dimensions, clean cuts, proper scoring
Assembly Test
Easy fold, secure closure, structural integrity
Final Packaging
Bundle count, carton protection, labeling
From inquiry to delivery — your complete ordering timeline
→ Quote within 24h
& dieline approval
sample (3-5 days)
15-20 working days
Balance & ship
Total timeline: ~4-7 weeks (sea freight) | ~3-4 weeks (air freight)