Capacity: 350ml/12oz

Size/weight: 8.5×7×12.7cm/235g

Carton : 47×47×15.2cm/0.034m³

QTY: 25pcs

N.W./G.W.: 5.9/7.4kgs

1. Introduction: Combining Functionality, Portability, and Minimalism

The mini double-walled travel insulated stainless steel Tumbler with lid exemplifies a versatile solution for mobile hydration, combining thermal performance, ergonomic portability, and minimalist aesthetics. Designed with an integrated carry handle and matching lid, this compact tumbler offers double-wall insulation, leak-resistant functionality, and a portable form factor suitable for outdoor activities, commuting, or daily office use.

In B2B contexts, these tumblers are increasingly valued as corporate gifts, promotional merchandise, or branded employee accessories, delivering both functional performance and brand visibility.

2. Core Concepts and Key Technologies

2.1 Double-Wall Insulation

The double-wall insulation is the core technology enabling the tumbler’s performance:

Vacuum or low-conductivity air-gap: Minimizes heat transfer between the inner liquid and external environment, preserving beverage temperature.

Reflective inner surfaces: Reduce radiative thermal loss, ensuring consistent temperature retention.

Volume efficiency: Mini tumbler sizes (200–300ml) maintain hot drinks above 60°C for 3–5 hours and cold drinks below 10°C for 6–10 hours, balancing portability with functional capacity.

Double-wall insulation is critical for mobile and on-the-go applications, where compact form factors are required without sacrificing thermal efficiency.

2.2 Integrated Carry Handle

The carry handle enhances usability:

Ergonomic design: Supports secure grip and minimizes hand fatigue.

Structural integration: Built as part of the tumbler body to prevent detachment or instability.

Durability: Reinforced polymer or stainless steel composites ensure mechanical integrity under repeated use and load.

For outdoor, commuting, or urban mobility contexts, the handle allows easy attachment to backpacks, bicycle carriers, or gym bags.

2.3 Lid Design and Leak-Resistant Features

The tumbler’s matching lid is engineered to support safe and convenient usage:

Sealing gaskets: Food-grade silicone ensures a tight seal to prevent leaks.

Ease of operation: Threaded or flip-lock designs enable one-handed operation.

Thermal compatibility: Maintains performance without deforming under high or low temperatures.

The lid design complements thermal insulation and portability, ensuring the tumbler performs reliably in diverse environments.

3. Product Structure, Materials, and Manufacturing

3.1 Stainless Steel Body

The mini tumbler body is typically fabricated from 18/8 (304) stainless steel, selected for:

Corrosion resistance: Withstands acidic beverages and outdoor moisture.

Mechanical strength: Resists drops, impacts, and pressure variations without deformation.

Safety compliance: Meets FDA, LFGB, and REACH standards for safe use in commercial and consumer applications.

Inner Surface

Electropolished or brushed finish: Minimizes bacterial adhesion and simplifies cleaning.

Reflective layer: Enhances thermal retention for hot and cold beverages.

Outer Surface

Powder-coated or metallic finishes: Provide scratch resistance, enhance aesthetic appeal, and support custom logo or branding applications.

3.2 Lid and Handle Components

The lid and handle system is engineered for reliability:

Materials: BPA-free polypropylene or copolyester resists thermal and mechanical stress.

Seals: Food-grade silicone gaskets maintain consistent compression, ensuring leak-proof performance.

Integration: Handles are positioned to maintain balance and ergonomics, reducing the risk of tipping or spillage.

3.3 Manufacturing Process

Manufacturing includes:

Deep drawing or hydroforming of stainless steel body.

Vacuum or low-conductivity air-gap formation for double-wall insulation.

Assembly of lid and handle, including gasket installation and leak verification.

Thermal retention testing to validate hot and cold beverage performance.

Mechanical testing for handle durability and lid operation.

Surface finishing and optional logo application, followed by batch inspection for quality consistency.

Precision control at every step ensures uniform insulation performance, leak resistance, and ergonomic usability.

4. Factors Affecting Quality and Performance

Several critical factors influence tumbler reliability:

Vacuum integrity: Micro-leaks compromise thermal retention.

Wall thickness and structural design: Balances insulation efficiency with weight and portability.

Lid tolerances and gasket fit: Affect leak-proof performance and user experience.

Material stability: Silicone and polymer components must withstand repeated thermal cycles, UV exposure, and mechanical stress.

Handle reinforcement: Ensures the tumbler can be safely carried at full capacity.

Attention to these factors is essential for consistent quality and long-term usability, particularly for B2B applications.

5. Common Industry Challenges and Pain Points

Even established insulated mini tumblers face typical challenges:

Thermal degradation over time: Loss of vacuum integrity or minor leaks reduces temperature retention.

Lid or gasket wear: Frequent use can lead to reduced leak resistance or functional compromise.

Handle detachment or failure: Insufficient reinforcement may compromise portability.

Cleaning difficulties: Junctions between lid, straw (if applicable), and body can harbor residue.

Branding limitations: Poorly applied logos may fade or deform under repeated use or cleaning.

Mitigating these challenges requires robust material selection, precision assembly, and standardized testing protocols.

6. Application Scenarios and Use Cases

6.1 Outdoor Recreation

Mini tumblers are ideal for hiking, biking, camping, or travel, where compactness, thermal efficiency, and leak-proof design are critical. Integrated handles facilitate portability, while durable stainless steel construction withstands environmental exposure.

6.2 Commuting

The tumbler’s cup-holder-friendly size and one-handed lid operation make it suitable for urban commuting. Leak-resistant seals ensure drinks remain secure during transit.

6.3 Fitness and Sports

For gym-goers or sports enthusiasts, the mini tumbler provides rapid hydration. Thermal retention maintains beverage temperature, and the ergonomic handle allows easy movement between activity zones.

6.4 Corporate Gifting and Promotional Applications

Custom logo mini tumblers serve as high-value corporate gifts or promotional items, combining functional utility with brand reinforcement. Reliability, thermal efficiency, and aesthetic quality are crucial for perceived brand value.

7. Supply Chain and Supplier Selection Criteria

Key B2B procurement considerations include:

Regulatory compliance: FDA, LFGB, and REACH certifications.

Batch consistency: Uniform thermal retention and leak-proof performance.

Material traceability: Ensures reproducibility and sustainability compliance.

Custom logo capability: Suppliers must demonstrate expertise in high-fidelity, durable branding.

Testing and documentation: Proven quality assurance processes for mechanical, thermal, and ergonomic performance.

Reliable suppliers provide transparency, certification, and consistent quality, crucial for large-scale or corporate purchases.

8. Market Trends and Future Directions

Emerging trends in mini insulated tumbler design include:

Compact, ergonomic, one-handed operation for urban mobility.

Focus on mid-range volumes (200–300ml) balancing portability and hydration.

Sustainable materials and manufacturing to meet environmental standards.

Minimalist and metallic finishes suitable for professional, outdoor, and fitness markets.

Enhanced lid sealing mechanisms for improved leak resistance.

Future innovations may include advanced thermal materials, lightweight designs, improved lid ergonomics, and integrated branding technology, maintaining a balance between portability, thermal performance, and corporate identity.

9. Frequently Asked Questions (FAQ)

Q1: How long does the mini tumbler retain beverage temperature?

Hot beverages remain above 60°C for 3–5 hours; cold beverages stay below 10°C for 6–10 hours, depending on ambient conditions.

Q2: Can the integrated handle support a full mini tumbler?

Yes. Handles are reinforced to withstand repeated lifting of a filled tumbler without fatigue or failure.

Q3: How does lid design affect thermal retention?

The lid’s gasket and sealing mechanism maintain insulation while preventing leaks, supporting overall thermal efficiency.

Q4: Are materials safe for food and beverage use?

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

Q5: How should the tumbler be maintained?

Regular cleaning of the lid, handle, and body, alongside gasket inspection, ensures hygiene and long-term leak-proof performance.

10. Conclusion

The mini double-walled travel Insulated Stainless Steel Tumbler with lid integrates thermal efficiency, portability, and minimalist design. Its integrated carry handle, leak-resistant lid, and double-wall insulation make it suitable for outdoor activities, commuting, fitness, and corporate gifting.

For B2B buyers, attention to material selection, manufacturing precision, thermal performance, and supplier reliability ensures consistent product quality, long-term usability, and brand reinforcement potential. This tumbler exemplifies the fusion of functional engineering, ergonomic design, and commercial applicability, making it a versatile solution across multiple market