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12 Jan

BLOG

Low-Cost Custom Lunch Boxes | Small Batch Options, Simplified Design, and Joint Orders

January 12, 2026
By zenfitly
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To reduce costs, prioritize PP plastic or general molds; simplifying the design to single-color silk screen printing can...

12 Jan

BLOG

Technical Analysis of Custom Insulated Lunch Boxes | Insulation Duration, Sealing Performance, Inner Lining Material

January 12, 2026
By zenfitly
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The core of the custom insulated lunch box adopts Double-wall Vacuum Stainless Steel Technology, effectively locking in ...

12 Jan

BLOG

Comprehensive Guide to Custom Lunch Boxes | Feature Analysis, Type Selection, Processing Services

January 12, 2026
By zenfitly
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Preferred 304 Stainless Steel (durable, non-toxic) or BPA-free Plastic (cost as low as $2/unit). Double-wall Vacuum d...

06 Jan

BLOG

Guide to the Processing Workflow of Custom Lunch Boxes | Design, Prototyping, Production

January 6, 2026
By zenfitly
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First, select food-grade PP/304 stainless steel materials with a capacity of 500-1000ml, and use CAD to design a 3D mode...

31 Dec

BLOG

Types of Custom Lunch Boxes | Insulated, Compartmentalized , Lightweight Styles

December 31, 2025
By zenfitly
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Custom lunch boxes fall into three categories: Insulated styles use double-layer vacuum steel/foam layers, keeping food ...

31 Dec

BLOG

How to Choose Materials for Custom Lunch Boxes | Plastic, Stainless, Materials

December 31, 2025
By zenfitly
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Choose Custom Meal Containers Based on Scenario: Food-grade PP Plastic (Weight 200-300g, -20℃~120℃) for Lightweight Cold...

16 Dec

BLOG

Best Disposable Lunch Boxes | Stackability, Durability & Presentation

December 16, 2025
By zenfitly
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Disposable lunch boxes are primarily made from polypropylene (PP), used in ~85% of global production for its heat tolera...

16 Dec

BLOG

How are Disposable Lunch Boxes Made | Manufacturing Process, Raw Materials

December 16, 2025
By zenfitly
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Disposable lunch boxes are primarily made from polypropylene (PP), used in ~85% of global production for its heat tolera...

16 Dec

BLOG

Disposable Lunch Boxes for Hot Food | Heat Tolerance, Leak-Proof Features

December 24, 2025
By zenfitly
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Opt for PP (polypropylene) lunch boxes—heat-tolerant to 120°C (safe for 80–100°C hot food), FDA/LFGB certified. For l...

16 Dec

BLOG

Are Disposable Lunch Boxes Microwave Safe | Safety Symbols, Material Risks & Best Practices

December 24, 2025
By zenfitly
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Not all disposable lunch boxes are microwave-safe. Check for the "Microwave Safe" label with a wavy microwave icon. ...

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Low-Cost Custom Lunch Boxes | Small Batch Options, Simplified Design, and Joint Orders

Technical Analysis of Custom Insulated Lunch Boxes | Insulation Duration, Sealing Performance, Inner Lining Material

Comprehensive Guide to Custom Lunch Boxes | Feature Analysis, Type Selection, Processing Services

Guide to the Processing Workflow of Custom Lunch Boxes | Design, Prototyping, Production

Types of Custom Lunch Boxes | Insulated, Compartmentalized , Lightweight Styles

How to Choose Materials for Custom Lunch Boxes | Plastic, Stainless, Materials

Best Disposable Lunch Boxes | Stackability, Durability & Presentation

How are Disposable Lunch Boxes Made | Manufacturing Process, Raw Materials

Disposable Lunch Boxes for Hot Food | Heat Tolerance, Leak-Proof Features

Are Disposable Lunch Boxes Microwave Safe | Safety Symbols, Material Risks & Best Practices

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