Precision Structure: The Integration of Intelligent Design and Superior Craftsmanship
The core advantages of the Tuck Top Auto-Bottom Mailer Box lie in its thoughtfully designed structural system:
Automatic Lock-Bottom Structure: Featuring a pre-formed design, the box bottom can be set up quickly thanks to precise die-cutting and structural optimization, eliminating the need for manual gluing or complex assembly. This monolithic structure not only reduces manual handling but also ensures even distribution of load across the base.
Precision Tuck-Top Design: The lid utilizes a scientifically designed tuck tab and slot mechanism, enabling smooth opening and closing along with reliable sealing performance. The tuck tab angle is precisely calculated to ensure a tight seal while avoiding structural fatigue caused by repeated use.
Exceptional Performance: Tailored for Modern Business Scenarios
The Tuck Top Auto-Bottom Mailer Box delivers outstanding practical performance:
Excellent Load-Bearing Capacity: Benefiting from its automatic lock-bottom structure and the application of high-quality materials, our box can carry loads of up to 3-5 kilograms (specific capacity can be customized according to client needs), ensuring product safety during storage and transportation.
Highly Efficient Assembly Process: Compared to traditional boxes, the assembly time for the Tuck Top Auto-Bottom Mailer Box can be reduced by approximately 60%, significantly enhancing packaging efficiency, making it particularly suitable for bulk packaging requirements.
Superior Stacking Stability: The regular cubic structure and sturdy bottom design ensure the boxes remain stable during warehouse storage and on-shelf display, effectively utilizing space while enhancing product presentation.

Wide Applicability
Thanks to its versatile characteristics, the Tuck Top Auto-Bottom Mailer Box is suitable for numerous industries:
Food & Confectionery: Ideal for premium chocolates, fine pastries, tea gifts, and other food items, combining preservation needs with display appeal.
Cosmetics & Skincare: Perfectly accommodates bottled and jarred cosmetics, with custom printing options to showcase a premium brand image.
Electronics & Accessories: Provides comprehensive protection for small electronic devices and accessories.
Gifts & Premium Goods: An ideal packaging choice for delicate products like jewelry and stationery.
Pharmaceuticals & Health Products: Meets the high requirements of pharmaceutical products for packaging sealability and stability.
Comprehensive Customization Services
We understand that every brand has unique needs, hence we offer full customization services:
Flexible Size Customization: From small and exquisite to large and heavy-duty, we can provide the most suitable size solutions based on your product dimensions.
Load-Bearing Performance Optimization: We meet weight-bearing requirements across different levels by adjusting paper grammage, corrugation type, and structural design.
Personalized Printing Design: Supporting various processes including full-color printing, foil stamping, UV coating, and embossing to perfectly represent your brand image.
Diverse Material Selection: Offering a range of material choices from white cardstock, gold/silver cardstock to specialty papers, catering to different grade requirements.
We are confident that the Tuck Top Auto-Bottom Mailer Box will become your reliable partner in enhancing product value and optimizing packaging processes. Whether the goal is increasing shelf appeal or strengthening brand image, this product can provide perfect support.
Please feel free to contact us at any time to learn more about how we can tailor the most suitable packaging solution for you. We look forward to collaborating with you to create remarkable product packaging!
| Product Item | Auto lock Bottom Mailer Boxes | Materials | Surface Paper/ Inner Paper: Kraft paper/ White card paper/ Grey board paper/ Coated paper, thickness scope in 150-300g/m² | Flute type | B/C/E/F/BE/EF flute; B/E Flute(3 layers): 3mm for light weight; BE/EF Flute(5 layers): 6-7mm for heavier products.
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| Size | L x W x H (mm); According to Customer's requirement. Inner dimensions: outer – 3~5 mm (board thickness) |
| Core Paper: Kraft paper, thickness scope in 112-180g/m² | Printing and Color process | Flexographic Printing; Offset Printing; Screen Printing; CMYK 4 Color process/ Pantone Color |
| Surface Finishing | Gloss/Matt Lamination, Soft touch film, UV coating, Spot UV, Gold/Silver Hot-stamping, Embossing/Debossing, Oil varnish, Aqueous varnish | Usage | E-commerce, Food Packaging, Gift Retail, Industrial Products and so on | Regular Box Type | Regular Slotted Carton (RSC); Folding Carton; Mailer Box; Lock Bottom Box |