Capacity: 1200ml/40oz

Size/weight: 9.9×8×34.5cm/582g

Carton : 63×55×30.5cm/0.106m³

QTY: 20pcs 

N.W./G.W.: 11.6/13.1kgs

1. Introduction: Practical Hydration with Sleek Design

The vacuum insulated stainless steel Tumbler with lid represents a sophisticated solution for portable hydration, combining thermal performance, durability, and aesthetic minimalism. Designed with a handle and flip lid, it is optimized for daily use, office environments, and commuting, offering a leak-proof, portable, and modern solution for both hot and cold beverages.

For B2B applications, such tumblers are highly valued as corporate gifts, promotional items, and branded employee accessories, providing functional reliability alongside professional presentation.

2. Core Concepts and Key Technologies

2.1 Vacuum Insulation Technology

Vacuum insulation is the central technology enabling the tumbler’s performance:

Vacuum layer between double walls: By eliminating air between the inner and outer walls, conductive and convective heat transfer is minimized.

Reflective inner surfaces: Reduce radiative thermal loss, improving retention efficiency for hot or cold drinks.

Thermal performance: In typical 400–600ml sizes, hot beverages remain above 60°C for 6–8 hours, and cold beverages stay below 10°C for 10–12 hours, depending on external conditions.

Vacuum insulation ensures consistent beverage temperatures, critical for commuters, office use, or outdoor activities.

2.2 Handle and Flip Lid Mechanism

The handle and flip lid system enhances convenience:

Ergonomic handle: Facilitates comfortable carrying, reduces hand fatigue, and supports attachment to bags or backpacks.

Flip lid: Provides one-handed operation for drinking while maintaining a tight, leak-proof seal when closed.

Sealing gaskets: Food-grade silicone ensures consistent compression and prevents spillage during transport.

This combination supports portable, on-the-go hydration, meeting the demands of professionals and urban commuters.

2.3 Food-Grade Materials

The tumbler is constructed entirely from food-grade materials, including:

18/8 stainless steel (304) for inner and outer walls: Corrosion-resistant, durable, and safe for acidic beverages.

BPA-free polymers and silicone for lids and seals: Heat-resistant, non-toxic, and durable under repeated thermal cycles.

Material selection is critical for health safety, durability, and regulatory compliance, particularly in B2B corporate environments.

3. Product Structure, Performance, and Manufacturing

3.1 Double-Wall Stainless Steel Construction

The double-wall design provides:

Vacuum insulation between walls for minimal heat transfer.

Polished inner surface: Facilitates cleaning and reduces bacterial adherence.

Durable outer finish: Powder-coated or brushed metallic surface enhances scratch resistance and aesthetics.

3.2 Lid and Handle Design

Flip lid operation: Allows one-handed use and prevents spillage.

Integrated handle: Molded as part of the tumbler or reinforced to support repeated use.

Leak-proof gaskets: Silicone seals maintain airtight closure, ensuring beverages remain secure during movement.

3.3 Manufacturing Process

Manufacturing involves:

Deep drawing or hydroforming of stainless steel sheets for precise body shape.

Vacuum creation between double walls to ensure thermal performance.

Assembly of handle and flip lid, including gasket installation.

Thermal retention testing for hot and cold liquids.

Mechanical durability testing for handles, lids, and overall structural integrity.

Surface finishing, optional branding, and batch quality inspection.

Precision at each step ensures consistent insulation, leak resistance, and ergonomic usability.

4. Factors Affecting Quality and Performance

Several variables directly influence tumbler performance:

Vacuum integrity: Micro-leaks reduce thermal retention.

Wall thickness and body geometry: Affects insulation efficiency, weight, and portability.

Gasket and lid tolerances: Critical for leak-proof performance and usability.

Handle reinforcement: Ensures safe transport of filled tumblers.

Material stability: Stainless steel and polymer components must withstand repeated thermal cycling, UV exposure, and mechanical stress.

Addressing these factors guarantees long-term usability, reliability, and customer satisfaction, particularly in corporate or bulk purchase scenarios.

5. Common Industry Challenges and Pain Points

Despite mature designs, several challenges persist:

Vacuum degradation: Loss of insulation due to leaks over time.

Lid or gasket wear: Reduces leak-proof performance.

Handle detachment or fatigue: Risk under repeated full-capacity use.

Cleaning complexity: Tight junctions between lid, handle, and body may retain residues.

Branding durability: Logos may fade or deform under thermal stress or repeated cleaning.

Mitigation requires robust material selection, precision engineering, and standardized testing protocols.

6. Application Scenarios and Industry Use Cases

6.1 Daily Commuting

Cup-holder compatibility: Fits standard vehicle cup holders.

Leak-proof flip lid: Reduces risk of spills during transit.

Portable handle: Simplifies carrying on public transport or walking.

6.2 Office Environments

Desktop-friendly design: Minimalist aesthetic complements modern office spaces.

Temperature retention: Hot beverages remain at ideal drinking temperature for hours.

Spill prevention: Ensures safe use near electronics or documents.

6.3 Outdoor and Recreational Activities

Compact and durable: Suitable for hiking, cycling, and camping.

Thermal performance: Keeps drinks hot or cold under variable conditions.

Integrated handle: Facilitates attachment to backpacks or fitness gear.

6.4 Corporate Gifting and Branding

Custom logo options: Laser engraving or powder coating preserves aesthetic while maintaining structural integrity.

High perceived value: Reliable performance and sleek design reinforce corporate image.

7. Supply Chain and Supplier Selection Criteria

For B2B buyers, key procurement considerations include:

Regulatory compliance: FDA, LFGB, and REACH certifications.

Batch consistency: Uniform insulation, leak resistance, and material quality.

Testing and documentation: Suppliers should provide thermal performance and mechanical testing data.

Branding capability: Experience in durable, high-fidelity logo application.

Sustainable sourcing: Ethical material sourcing and environmentally responsible manufacturing.

Reliable suppliers provide transparent quality assurance, documentation, and repeatable performance, essential for bulk or corporate orders.

8. Current Trends and Future Directions

Emerging trends shaping vacuum insulated tumbler design:

Compact, ergonomic handles for one-handed portability.

Sleek, minimalistic designs to match office and lifestyle aesthetics.

Sustainable materials and production to meet environmental standards.

Advanced lid mechanisms for improved one-handed operation and leak-proof performance.

Custom branding solutions that preserve structural integrity while enhancing corporate identity.

Future development may focus on ultralight, high-performance thermal materials, integrated digital tracking for beverage temperature, and modular lid designs to further enhance usability and commercial value.

9. Frequently Asked Questions (FAQ)

Q1: How long can the tumbler maintain hot and cold temperatures?

Hot drinks remain above 60°C for 6–8 hours, and cold drinks stay below 10°C for 10–12 hours under typical conditions.

Q2: Can the handle support full-capacity use?

Yes. Handles are reinforced to safely lift and transport a filled tumbler without failure.

Q3: Does flip lid operation affect thermal retention?

The flip lid maintains insulation by incorporating a silicone gasket that prevents heat exchange when closed.

Q4: Are the materials safe for food and beverages?

Yes. Stainless steel, BPA-free polymers, and food-grade silicone meet FDA, LFGB, and REACH standards.

Q5: How should the tumbler be maintained?

Regular cleaning of lid, handle, and body, with inspection of gaskets, ensures hygiene, leak-proof performance, and longevity.

10. Conclusion

The vacuum Insulated Stainless Steel Tumbler with lid effectively combines thermal retention, portability, ergonomic design, and modern aesthetics. Its handle and flip lid design, food-grade materials, and leak-proof construction make it ideal for commuting, office use, outdoor activities, and corporate gifting.

B2B buyers benefit from focusing on material quality, manufacturing precision, thermal efficiency, and supplier reliability, ensuring consistent performance, long-term usability, and branding potential. This tumbler exemplifies functional engineering, ergonomic innovation, and professional design, making it a versatile solution across multiple business and consumer applications.