Custom Insulated Oxford Lunch Bags
- Meal-prep and nutrition subscription brands wanting a reusable, eco-fabric thermal carrier.
- Corporate wellness and gifting programs ordering a natural-fiber branded lunch tote.
- Retail lifestyle brands extending a Oxford fabric range with a matching insulated piece.
- Not the best fit: heavy outdoor ice-pack trips needing a rigid box — see the Oxford picnic cooler; read the cooler bag case study before finalizing foam thickness.
- High-frequency welded foil basin: the control point our QC checks — no stitch holes in the liner, so the inner basin wipes clean and cannot weep through the seams.
- 300D Oxford shell: natural matte surface that takes embroidery and print without a plastic-coated feel.
- Closed-cell EPE core: 3-5mm foam gives the soft-sided bag enough body to stand open on a desk.
- Made to order: 500-piece MOQ per color run, sample in 7 days, production 30 days after approval. No warehouse stock.
🔬 Merris Factory Thermal Retention Test Protocol
| Test Condition | Initial Temp | Temp at 4 Hours | Temp at 8 Hours |
|---|---|---|---|
| 25°C Ambient, 8mm EPE Foam + PEVA | 2.0°C (Ice Pack) | 5.8°C | 9.4°C (< 10°C Safety Threshold) |
* Tested according to Merris Internal QA Protocol #TP-2026-COOLER. Results validated per batch.
Insulated Lunch Bag Production Facility Tour
Explore our Dongguan lines aligned with ISO 9001 practices, dedicated to food-grade Oxford lunch bag assembly and thermal performance validation.
Factory Capabilities: Automated Fabric Cutting | Heat-Sealed Foil Lining | Thermal Chamber Testing | Food-Safe QA Inspection
Related Custom Products
Product FAQ
Technical details for procurement teams
Direct Answer: The build sandwiches a 3-5mm closed-cell EPE foam core between the 300D Oxford shell and a food-grade aluminum-foil liner. We do not quote a fixed hour rating per SKU; our benchmark #TP-2026-COOLER (25C, 8mm EPE+PEVA) records 5.8C at 4h and 9.4C at 8h under the 10C food-safety threshold, and your exact build is confirmed per project.
- Insulation: 3-5mm EPE foam + food-grade foil liner
- Benchmark: #TP-2026-COOLER at 25C ambient
- Hold time: confirmed per project, report on request
Direct Answer: The interior uses a food-grade, BPA-free aluminum-foil liner with a high-frequency welded seam rather than stitch holes. We supply material compliance documentation for your target market on request, and confirm the lining spec against your destination food-contact requirements before sample approval.
- Lining: food-grade BPA-free aluminum foil
- Seam: high-frequency welded, no stitch holes
- Compliance doc: per destination market, on request
Direct Answer: Instead of stitched seams that leave needle punctures, we run a high-frequency thermal weld along the foil liner, producing a seamless, fluid-impermeable basin that wipes clean. We water-test the liner on the sample so you approve the seal before bulk production.
- Seam method: high-frequency thermal weld
- Result: seamless, fluid-impermeable basin
- Verification: water-test on the sample
Direct Answer: The Oxford fabric takes precision embroidery, high-density silk-screen print and a heavy woven label well, with Pantone color matching across the panels. Embroidery suits the natural textile texture; for a full-color graphic we recommend heat-transfer print, applied before final QC.
- MOQ: 500 pcs per color run
- Branding: embroidery, silk-screen, heat-transfer, woven label
- Color: Pantone matched
Direct Answer: Technical samples run about 7 days after artwork approval, and mass production is 30 days from sample sign-off, shipped FOB Shenzhen. The sample fee is refundable against the bulk order; existing-style samples can be rushed to 48 hours.
- Sample: 7 days (48h rush existing style)
- Production: 30 days from sample approval
- Port: FOB Shenzhen
Request Your Thermal Bag Quote
Receive material samples, thermal test data, and pricing within 8 hours.
