3L/4L Stainless Steel Thermos Bottle Double Wall Vacuum Insulated

Keep beverages at the perfect temperature for hours with an extra-large, durable stainless steel thermos built for family trips, job sites, picnics, and long outdoor days.

• Extra-large capacities: Available in 3 liters and 4 liters for all-day hydration or sharing
• Double-wall vacuum insulation: Keeps drinks cold up to 24–36 hours and hot up to 12–24 hours (size and conditions vary)
• Food-grade 304 stainless steel: Rust-resistant, BPA-free, and preserves pure flavor
• Leakproof sealing lid: Secure gasket closure prevents spills during transport
• Pour-friendly design: Optional spout or cup-style lid for easy serving (varies by model)
• Wide-mouth opening: Easy to fill, add ice, and clean with standard bottle brushes
• Rugged build: Impact-resistant exterior with scratch-resistant finish for daily use
• Comfortable carry: Integrated handle/strap for easier transport despite the large volume
• No-sweat exterior: Condensation-free surface keeps hands and gear dry
• Versatile use: Great for water, tea, coffee, soups, and mixed beverages

We offer free tracked shipping to USA, CA, UK, AU, NZ, FR, DE, and the Nordics. Orders arrive within 7–14 business days.

If you’re not fully satisfied, you can return your purchase within 30 days, hassle-free.

Are your stainless steel products rust-proof?

Yes, our stainless steel products are designed to be rust-resistant. However, proper care and cleaning are important to maintain their quality and appearance over time.

Are your products dishwasher safe?

Most of our stainless steel products are dishwasher safe. However, we recommend hand washing items with wooden or painted parts to extend their lifespan.

Do the products contain any harmful chemicals or coatings?

No, our stainless steel products are free from BPA, lead, and other harmful chemicals. They do not have any toxic coatings and are completely safe for everyday use.

How do I clean and maintain stainless steel items?

Wash with mild soap and warm water. For tough stains, use a paste of baking soda and water. Avoid using abrasive cleaners or steel wool to prevent scratching the surface.

Can stainless steel items go in the oven or freezer?

Yes, most of our stainless steel products are safe for both oven and freezer use. Please check the product description or instructions for specific temperature limits.

Will the color fade or peel off?

If the product is natural stainless steel (silver color), it will not fade. If it has a colored or coated finish, we recommend gentle washing to preserve the coating over time.

Do you offer a warranty on stainless steel products?

Yes, we offer a [X-month/year] warranty against manufacturing defects. Please contact our support team if you experience any issues.

Are your products eco-friendly?

Absolutely! Stainless steel is 100% recyclable and a great alternative to plastic. Choosing stainless steel helps reduce single-use waste.

Can I return or exchange a stainless steel item?

Yes, we have a return/exchange policy in place. Please visit our [Returns & Exchanges] page or contact support for details.