Tea Flask Manufacturer
WEVI specializes in precision-engineered tea flask that masterfully balance temperature control, taste preservation, and brewing functionality. From traditional loose-leaf brewing to modern tea bag convenience, our tea flask deliver consistent performance through carefully calibrated insulation and taste-protecting materials. The versatile designs seamlessly transition between home use, office settings, and mobile tea enjoyment, offering both practical functionality and aesthetic appeal for tea enthusiasts and commercial applications alike.
Custom Tea Flask Wholesale
WEVI tea flasks are thoughtfully designed for tea enthusiasts who appreciate both flavor and convenience. Crafted from high-quality 304/316 stainless steel, these tea flask ensure complete safety while preserving the delicate taste of your favorite teas. The advanced insulation technology maintains optimal brewing temperature, allowing the tea leaves to fully release their aroma and nutrients.
Our tea flask feature practical built-in filters suitable for both loose-leaf tea and tea bags, making tea preparation effortless anywhere. Available in multiple sizes, they adapt to different needs – whether it’s a personal serving or sharing with friends. The sleek, minimalist design complements various lifestyles, from morning rituals at home to afternoon breaks at the office.
Beyond personal use, these tea flask make excellent gifts for colleagues, clients, or tea-loving friends. The durable construction ensures long-lasting performance, while the easy-to-clean design simplifies maintenance. With WEVI tea flasks, enjoy perfectly brewed tea whenever and wherever you want.
Tea Flask
WEVI Tea Flasks are engineered with a focus on optimal brewing temperature retention and taste preservation. Our tea flask is constructed from taste-neutral 304/316 stainless steel and utilizes double-wall vacuum insulation to maintain the ideal temperature for tea steeping. Featuring a built-in stainless steel infuser and a wide-mouth design, this tea flask is built to deliver a perfect brew while ensuring easy cleaning and long-lasting performance. Available in multiple sizes tailored for individual servings or sharing moments, each tea flask is certified to meet food-grade safety standards while providing reliable daily use.
Built-in Steeping Convenience
Designed with a removable stainless steel infuser and wide opening, this tea flask simplifies loose-leaf tea preparation while making cleaning effortless. The thoughtful design accommodates both traditional tea bags and loose-leaf preferences.
Taste-Preserving Construction
Crafted with high-quality stainless steel that prevents flavor transfer, this tea flask ensures your tea tastes exactly as intended—with no residual tastes or odors from previous brews.
WEVI Tea Flask
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Long-lasting lock warm stainless steel water bottle
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500ml 750ml Stainless Steel Water Bottle With Handle Tea Strainer
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WEVI 500ml 700ml Stainless Steel Thermos Cup
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WEVI 1000ml Stainless Steel Sports Water Bottle
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304 stainless steel double-layer thermos cup
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1200ml BPA-Free PC Plastic & Silicone Travel Mug with Straw
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Stainless Steel Insulated Double Walled Tea Infuser Water Bottle
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Smart Water Bottle With LCD Display S1040
Professional Tea Flask
WEVI tea flask achieve perfect brewing conditions through scientifically engineered vacuum insulation technology. The foundation lies in the double-walled construction where air is removed between inner and outer walls to create a vacuum layer - effectively regulating heat transfer to maintain ideal steeping temperatures. We enhance this specifically for tea preparation: our tea flasks feature taste-preserving 304/316 stainless steel that prevents flavor transfer while ensuring material safety, advanced vacuum sealing that creates stable thermal cores for different tea types, and leak-proof lids with silicone gaskets that complete the brewing preservation system. The integrated stainless steel infuser and wide-mouth design further optimize the tea experience, allowing proper leaf expansion and easy cleaning. This comprehensive approach enables WEVI tea flask to deliver consistent performance of 6-hour heat retention and 8-hour cool keeping, making them the ideal choice for tea houses, corporate gifting programs, and daily tea enjoyment where flavor integrity and brewing precision matter most.
Customized Tea Flask
We provide thoughtful customization services for your tea flask, including delicate laser engraving, custom packaging options, and specialized coating finishes—all designed to enhance your brand identity while protecting the flask’s brewing functionality and material safety. Available in multiple capacities to suit different tea drinking needs.
Logo and printing
Customize your wholesale flask with WEVI! Our logo and printing options help create custom flask for business, that will make a lasting impression on customers.
Colors
Showcase your brand with WEVI custom printed flask. Choose from CMYK full-color or Pantone printing options to instantly imprint your brand on bulk flask.
Custom Packaging
Create unique custom flask packaging that stands out. Our tailored services include a wide range of materials, shapes, and finishes to bring your vision to life.
Why choose WEVI wholesale Tea Flask?
High-quality raw materials
Every WEVI tea flask is engineered with premium materials to deliver exceptional thermal performance and enduring safety. Our stainless steel Travel Flask utilizes 304 or 316 stainless steel, ensuring corrosion resistance and reliable heat retention on the go. The Coffee Flask is optimized with a taste-preserving interior and a leak-proof lid, designed to maintain aroma and temperature for your daily brew. Built for adventure, the Thermos Flask features advanced double-wall vacuum insulation, keeping contents hot or cold for hours under rugged conditions. For tea enthusiasts, the Tea Flask incorporates a built-in stainless steel infuser and a wide mouth, supporting perfect steeping and easy cleaning. Every material in WEVI flasks complies with international FDA/LFGB standards, guaranteeing complete health security across all flask product lines.
Longstanding Manufacturing Excellence
With full in-house manufacturing, WEVI directly controls every aspect of flask production, ensuring rigorous quality standards and reliable delivery timelines for every stainless steel flask we produce. Our decade of industry expertise allows us to master material properties and innovate vacuum flask technology, resulting in professional-grade flasks that excel in durability, all-day temperature retention, and ergonomic design. When you choose a WEVI flask, you select precision-engineered drinkware solutions backed by proven manufacturing excellence.
Full-Service Support
WEVI provides comprehensive end-to-end OEM/ODM services for custom flask projects. From initial design concepts to mass production, we support fully customizable flask solutions including unique shapes, sizes, colors, and functional features. Combined with competitive direct-factory pricing and flexible MOQ options, we empower both startups and large-volume buyers to develop exceptional custom flask products without compromise.
We offer a complete turnkey solution. Our expert label application service ensures your products are perfectly labeled and distribution-ready upon arrival at any fulfillment center.
Once your flask order is completed, we immediately create a complete set of product photos and videos, delivering market-ready visual materials that save you time and resources.
We provide complete creative support for your flask project, from product renderings and custom design to tailored packaging, delivering a visual solution that builds your brand and excites your customers.
Keep your projects on schedule with our flexible and efficient shipping options for your flask orders. We support all modes of transport—sea, land, and air—ensuring fast and secure door-to-door delivery tailored to your timeline and budget.
Ensure your flask product line is compliant and enters the market smoothly. We provide professional product testing and authoritative certification reports to help you obtain the documentation required to meet international standards.
We provide secure and convenient payment options for your flask procurement. Our methods are designed for business ease, comprehensively covering credit cards, bank transfers, and modern solutions like Apple Pay.
Technical Expertise & Quality Assurance
Our manufacturing facility holds ISO 9001:2015 certification and brings over a decade of specialized expertise in flask production. We employ advanced manufacturing technologies, including automated stainless steel forming and precision welding techniques, supported by a dedicated R&D team for custom flask projects. Every vacuum flask undergoes rigorous multi-stage quality control—from raw material inspection (IQC) to final validation of structural integrity and thermal performance using specialized equipment—ensuring each stainless steel flask meets the highest standards of durability and reliability.
Market Recognition & Sustainability
Trusted by global brands and distributors across 20+ countries, we have a proven track record of delivering large-volume flask orders for renowned enterprises and promotional projects. Our commitment extends beyond quality to environmental and social responsibility in flask production. We offer sustainable material options such as recycled stainless steel flasks and eco-friendly coatings, and adhere to ethical manufacturing practices, ensuring our vacuum flask products and processes meet the evolving demands of the international market.
Certified manufacturer of Tea Flask, reliable quality
WEVI proudly holds internationally recognized certifications including SGS, LFGB, and FDA, ensuring our unwavering commitment to quality, safety, and environmental standards for all flask products.
What Our Customers Say
Overall, this is a great product, and I can't wait to buy some more. It really does everything it promises. The insulation is excellent, and the ice cubes are still intact!
The shipment arrived in very good condition. The products are as I expected and better. Professional support from Mavis on shipping and customs clearance.
Very impressed and satisfied with the quality and receipt of this product. The supplier was attentive and reactive to all our questions. We would order again.
FAQs About Tea Flask
1. Stainless Steel (18/8 or 304-Grade Stainless Steel)
This type of steel contains 18% chromium and 8% nickel, giving it superior corrosion resistance, durability, and safety for food and beverage storage.
• Corrosion Resistance: Stainless steel is highly resistant to rust and corrosion, even when exposed to moisture for extended periods, ensuring long-term use without degradation.
• Non-Reactive Surface: 18/8 stainless steel is a non-reactive metal, meaning it doesn’t impart flavors or leach harmful chemicals into the liquid, ensuring that beverages maintain their original taste.
• Durability and Impact Resistance: Stainless steel is known for its strength and durability, which makes it ideal for insulated bottles that are often used in outdoor and travel settings. The material can withstand drops, bumps, and everyday wear without denting easily.
2. Lid Materials: Food-Grade Plastics and Silicone
• Food-Safe Plastics (BPA-Free Polypropylene): It’s a highly durable and food-safe plastic that’s commonly used in the construction of bottle lids. It’s free from harmful chemicals like Bisphenol A (BPA), ensuring that no toxic substances leach into your drink. This material is chosen for its lightweight nature, impact resistance, and ease of molding into various lid designs, including flip lids, screw caps, and straw lids.
• Silicone Seals and Gaskets: Silicone is highly flexible, heat-resistant, and non-reactive, which makes it ideal for creating an airtight and watertight closure. These seals help prevent leaks and maintain temperature retention by minimizing heat exchange through the lid.
Unlike regular thermos focusing solely on temperature retention, WEVI tea flasks are specifically engineered for tea brewing. They feature a built-in precision tea infuser that allows proper tea leaf expansion, wide-mouth design for easy cleaning, and taste-preserving materials that prevent flavor transfer. The temperature control is also optimized for different tea types rather than just maximum heat retention.
Yes. We use 304/316 stainless steel with special inner wall processing that creates a smooth, non-porous surface. This prevents absorption of tea oils and flavors, ensuring each brew tastes pure without residual flavors from previous uses.
While optimized for tea, it works well for coffee, hot water, and most non-carbonated beverages. We recommend thorough cleaning when switching between different drink types.
Regular cleaning with mild detergent, avoiding abrasive cleaners. Store with lid open to prevent odors. Check silicone gaskets periodically and replace if worn. Avoid extreme temperature shocks.
A well-known stainless steel water bottle supplier in China, Wevi have rich experience in manufacturing drinkware and containers with custom shapes, caps, logo print, surface finish, packages, etc. We also design for our clients, many designs have registered patents by our clients.
# Size/Capacity: 14oz, 18oz, 24oz, 32oz, 40oz, 64oz,128 oz or other customized capacity.
# Multiple Replacement Caps/Lids: Straw Lid, Sports Lid, Handle Lid, Stainless Steel Cap, Spout Lid, Wooden Lid, Flip Lid, etc.
# Surface Finish: Spraying, Powder Coating, Gradient Ramp, 3D/4D/5D Sculpture, Water Transfer, Air Transfer, Heat Transfer, etc.
# Logo Printing: Silkscreen Print, Laser Engraved, Embossed Logo, Heat Transfer Print, 4D Print, Sublimation Transfer, etc.
# Packaging Box: Egg Crate, White Box, Custom Color Box, Cylinder Box, Display Box, etc.
Enjoy flexible MOQ options tailored to your needs—quantities are fully negotiable to support your market testing phase. We adjust pricing proportionally based on order volume, enabling you to verify our product quality and service standards before confidently scaling orders. Reach out anytime; our team guarantees prompt responses to jumpstart your wholesale partnership.
Of course. We usually provide existing samples free of charge, but a small sample fee is charged for custom designs. The sample fee is refundable when the order reaches a certain quantity.
We usually ship samples via FedEx, UPS, etc. If you have a carrier account, you can use your account to ship; if not, you can pay the shipping fee via PayPal, and we will ship using our account.
It takes about 5-7 days to reach. If you want your own designs, it takes 8-10 days.
Of course, we are professional in OEM/ODM projects and we protect all the designs of every client, we will sign NDA if needed to ensure that we won’t send your artwork to any other clients and won’t sell your OEM items to anyone else. Any questions please send us your inquiry.