Description
Wide-Opening Portable Thermal Lunch Bag
Strengthen your commercial product lineup with our wide-opening portable thermal lunch bag, engineered for daily commuting, outdoor catering, family picnics, and corporate promotional gifting. Styled in a sophisticated heather grey finish with dual carrying straps and an adjustable shoulder sling, this unit balances functional convenience with high-end retail aesthetics.
Brought to you by Top Sound (Xiamen) Co., Ltd—operating corporate offices in Xiamen and a state-of-the-art production base in Quanzhou with over two decades of manufacturing expertise—we provide reliable OEM and ODM partnerships tailored to global B2B supply chains.
5 Essential B2B Sourcing Advantages
FDA Food-Safe Interior Compliance: Protect consumer health and meet strict import regulations. The internal insulation compartment utilizes certified materials that adhere to strict FDA standards for direct food contact.
Optimized Thermal Insulation: Built with a protective multi-layer thermal barrier designed to reduce external heat transfer, keeping packed meals and drinks consistently chilled or warm during transit.
Dependable AQL Quality Control: Minimize defect risks for your retail channels. Every manufacturing run undergoes rigorous inspection following standardized Acceptable Quality Limit protocols.
Verified Factory Certifications: Simplify vendor compliance evaluations. Our production facilities maintain active accreditations including BSCI, SEDEX, and ISO certifications.
Comprehensive OEM/ODM Flexibility: Scale your product offerings uniquely. We support complete customization of dimensions, structural layouts, hardware finishes, and private-label branding.
Recommended Materials & Product Specifications
Exterior Shell Fabric: Heavy-duty 300D Cationic Oxford Polyester with a water-resistant PU backing.
Thermal Insulation Core: High-density EPE foam combined with a seamless, leak-resistant, food-grade silver PEVA liner.
Product Dimensions: 31 cm (L) x 19 cm (W) x 23 cm (H) – A horizontal rectangular configuration designed for easy stacking of lunch boxes and beverage containers.
Carrying System: Reinforced wrap-around grab handles with a padded Velcro grip, side mesh pockets, and a detachable, adjustable shoulder strap.
Buyer Q&A
How does the internal lining protect food temperatures over time?
The compartment is lined with a dense thermal insulation core and a reflective food-safe barrier that effectively block ambient heat exchange, preserving meal temperatures during transport.
Can we modify the dimensions and add custom branding for wholesale orders?
Yes. As an experienced OEM/ODM manufacturer, we offer full customization services for sizes, material choices, color options, and private label logos.
What factory standards and quality guarantees support your production?
Production is handled at our Quanzhou facility under ISO, BSCI, and SEDEX manufacturing standards, paired with strict quality control inspections conforming to AQL industry benchmarks.







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