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China Source Factory for 316 Stainless Steel Tumblers – 6-12h Heat Retention, 260g

China Source Factory for 316 Stainless Steel Tumblers – 6-12h Heat Retention, 260g

Welcome to the source factory of our high-quality 316 stainless steel smart flask! We are proud to launch the Xinnuo 450ml series-a modern thermos bottle with intelligent temperature display, designed for business gifts, promotional activities and daily use. Available in six elegant colors (white, coffee, black, wine red, blue), this flask combines advanced technology with lightweight portability.

High-quality materials and properties:

Food grade 316 stainless steel inside-corrosion resist

Select the number of specifications

Please check the product information you want!

Product Detail

1. Q: What is the MOQ for this 450ml smart flask? Can I mix the 6 colors?

A: Our minimum order quantity is 100 pieces. Yes, you can mix all six colors (white, coffee,True color, black, wine red, blue) within one order. This flexibility allows you to test different color preferences for your promotional gift projects with minimal risk.

2. Q: How does the smart temperature display work? Does it need batteries?

A: The temperature display uses thermochromic technology or a battery-free sensor that reacts to the heat of the liquid. No batteries are required – it's powered by the temperature difference. Simply touch the lid, and the display shows the approximate temperature (e.g., hot/warm/cold indicators). It's safe, durable, and maintenance-free.

3. Q: What customization methods are available for this flask?

A: We offer a range of customization techniques:

Laser engraving for a sleek, permanent mark.

Screen printing for vibrant, durable logos.

3D printing for textured, eye-catching effects.

Simply provide your artwork (AI, CDR, PDF), and our team will advise the best method for your design.

4. Q: Is this flask suitable for hot and cold beverages? Does it meet safety standards?

A: Absolutely! The 316 stainless steel inner is food-grade and corrosion-resistant, making it safe for coffee, tea, water, and other beverages. With 6-12 hours of insulation, it maintains optimal temperature for extended periods. While this product does not come with a pre-existing third-party report, we can arrange FDA or LFGB testing upon request to ensure compliance with international safety standards.

5. Q: How can the flask weigh only 260g? Is it durable?

A: Yes, the flask is designed using advanced thin-wall vacuum insulation technology, which maximizes insulation while minimizing weight. Despite being lightweight at 260g, it maintains durability thanks to the 316 stainless steel inner and 201 stainless steel outer construction. It's perfect for daily carry without sacrificing quality.

6. Q: I need these for Spring Festival (Chinese New Year) and Teacher's Day gifts. What is your lead time?

A: Our standard production time is 15-20 working days after sample approval, plus shipping. We offer 48-hour rapid sampling to get your project started quickly. For seasonal promotions like Spring Festival and Teacher's Day, we recommend placing your order at least 45-60 days before your target date to ensure timely delivery.

7. Q: Do you provide custom packaging for this product?

A: Yes, we offer custom packaging solutions! We can provide:

Custom-printed boxes with your branding

Labels, hang tags, and ribbons

Bulk packaging options

Let us create a complete gift-ready solution for your custom flask wholesale order.

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Product Detail

1. Q: What is the MOQ for this 450ml smart flask? Can I mix the 6 colors?

A: Our minimum order quantity is 100 pieces. Yes, you can mix all six colors (white, coffee,True color, black, wine red, blue) within one order. This flexibility allows you to test different color preferences for your promotional gift projects with minimal risk.

2. Q: How does the smart temperature display work? Does it need batteries?

A: The temperature display uses thermochromic technology or a battery-free sensor that reacts to the heat of the liquid. No batteries are required – it's powered by the temperature difference. Simply touch the lid, and the display shows the approximate temperature (e.g., hot/warm/cold indicators). It's safe, durable, and maintenance-free.

3. Q: What customization methods are available for this flask?

A: We offer a range of customization techniques:

Laser engraving for a sleek, permanent mark.

Screen printing for vibrant, durable logos.

3D printing for textured, eye-catching effects.

Simply provide your artwork (AI, CDR, PDF), and our team will advise the best method for your design.

4. Q: Is this flask suitable for hot and cold beverages? Does it meet safety standards?

A: Absolutely! The 316 stainless steel inner is food-grade and corrosion-resistant, making it safe for coffee, tea, water, and other beverages. With 6-12 hours of insulation, it maintains optimal temperature for extended periods. While this product does not come with a pre-existing third-party report, we can arrange FDA or LFGB testing upon request to ensure compliance with international safety standards.

5. Q: How can the flask weigh only 260g? Is it durable?

A: Yes, the flask is designed using advanced thin-wall vacuum insulation technology, which maximizes insulation while minimizing weight. Despite being lightweight at 260g, it maintains durability thanks to the 316 stainless steel inner and 201 stainless steel outer construction. It's perfect for daily carry without sacrificing quality.

6. Q: I need these for Spring Festival (Chinese New Year) and Teacher's Day gifts. What is your lead time?

A: Our standard production time is 15-20 working days after sample approval, plus shipping. We offer 48-hour rapid sampling to get your project started quickly. For seasonal promotions like Spring Festival and Teacher's Day, we recommend placing your order at least 45-60 days before your target date to ensure timely delivery.

7. Q: Do you provide custom packaging for this product?

A: Yes, we offer custom packaging solutions! We can provide:

Custom-printed boxes with your branding

Labels, hang tags, and ribbons

Bulk packaging options

Let us create a complete gift-ready solution for your custom flask wholesale order.

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