- Double-Wall Vacuum Insulation – Keeps beverages hot for up to 12 hours and cold for up to 24 hours.
- Premium Stainless Steel – Engineered with a food-grade SS304 (18/8) stainless steel interior and a durable SS201 exterior to balance premium safety and cost-efficiency.
Food-Grade 304 Stainless Steel Vacuum Bottle
Thermal Flask Description

Thermal Flask Features

- Office – Stay Focused
- Outdoor – Adventure Ready
- Gym – Fuel Your Workout
- Travel – Take It Anywhere
- Car – Ready for Every Drive

Insulated Narrow Mouth Water Bottles Specifications
| Model No | MD36 |
| Type | Wide Mouth Thermal Flask |
| Capacity | 500/750ML |
| Material | SS304 Inside ,SS201 Outside |
| Surface | Powder Coating |
| Certification | FDA&LFGB |
| Packing | White box |
Customization Options
We provide a comprehensive, one-stop OEM/ODM customization ecosystem tailored to elevate your brand identity and meet specific regional market regulations.
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Logo & Branding Engineering:
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Precision Laser Engraving: Ideal for crisp, silver/metallic permanent branding with zero wear over time.
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Silk-Screen & Pad Printing: Best for cost-effective, high-contrast 1-2 color corporate logos.
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3D Full-Wrap & UV Digital Printing: Enables vibrant, multi-color, and textured seamless wrap designs across the entire bottle body.
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Premium Surface Finishes:
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Tactile Rubber Coating: A soft, velvet-like skin providing a luxurious non-slip grip.
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Anti-Scratch Powder Coating: Rugged, textured layer engineered specifically for outdoor and fitness brands to prevent chipping.
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Glossy/Matte Spray Paint: Elegant, smooth finishes with custom Pantone color-matching accuracy up to 98%.
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Supply Chain & Factory Advantage
Partnering directly with our facility grants you structural cost benefits, rigid quality compliance, and the scalability required to support international distribution.
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Verified Global Standards & Compliance: Our production lines strictly operate under ISO-compliant management. All MD25 insulated bottles are certified FDA & LFGB compliant, 100% BPA-free, and lead-free, clearing all legal hurdles for customs and major retail shelves in North America and Europe.
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Rigorous Quality Control (QC): Every batch undergoes a strict 3-stage inspection process—including raw material spectrometer checking, 100% vacuum thermal retention stress-testing, and post-coating cosmetic flaw detection.
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Flexible MOQ & High Capacity: We balance scalability with low upfront risk. Our monthly production capacity exceeds 300,000 units, allowing us to seamlessly handle massive retail rollouts while simultaneously supporting emerging brands with low custom trial runs (starting at 500 pcs).
Insulated Narrow Mouth Water Bottles Frequently Asked Questions
Is this bottle BPA-free and food-safe?
Yes. The bottle is made from food-grade stainless steel with BPA-free materials, making it safe for daily use with hot or cold beverages.
How long does it keep drinks hot and cold?
Thanks to the double-wall vacuum insulation, it keeps drinks hot for up to 12 hours and cold for up to 24 hours, depending on the surrounding environment and the beverage temperature.
Can I customize my logo and colors?
Absolutely. We support custom logo printing (laser engraving, silk screen, UV printing, etc.), custom Pantone colors, and custom packaging to match your brand.
What is the minimum order quantity (MOQ)?
We offer low MOQ for customized orders. If stock colors are available, even small quantity orders are welcome. Please contact us for the latest MOQ based on your customization requirements.
Is the bottle leak-proof?
Yes. The screw lid is equipped with a food-grade silicone sealing ring to prevent leaks, making it suitable for office, travel, sports, and daily commuting.
How long is the sample time and lead time?
Sample time: 3–5 working days for existing samples, 5–7 working days for custom samples.
Lead time: Stock items can be shipped within 3–7 days. Customized orders usually take 20–30 days after sample approval and deposit, depending on the order quantity.