Capacity: 900 ml

Size/weight: 10.6×15.2×22.4cm/520g

Carton: 56.4×56.4×25.2cm/0.080m³

QTY: 16pcs

N.W./G.W.: 8.3/10.1kgs

1. Core Concepts and Key Technologies

An insulated stainless steel tumbler tea juice water bottle is fundamentally defined by its ability to preserve beverage temperature while maintaining structural integrity, safety, and usability across diverse daily scenarios. The insulated tumbler with a light blue handle, straw, and trim reflects not only a functional hydration tool but also an engineered system integrating thermal insulation, sealing mechanics, and ergonomic portability.

Double-Wall Vacuum Insulation

At the core of thermal performance is double-wall vacuum insulation. Two concentric stainless steel walls are separated by an evacuated space, significantly reducing heat transfer through conduction and convection. This vacuum barrier minimizes external temperature influence, enabling hot tea to retain warmth and cold juice or water to remain chilled for extended durations.

Unlike foam or air-filled insulation, vacuum insulation provides consistent performance over time, as it does not degrade or absorb moisture. This principle is particularly relevant for B2B buyers evaluating long-term reliability rather than short-term thermal retention claims.

Pressure-Balanced Lid and Leak Control

Leak-proof performance is achieved through a pressure-balanced lid structure combined with food-grade elastomer seals. When internal pressure changes due to temperature fluctuations, the lid design accommodates micro-expansion without compromising the seal. This prevents unintended leakage during transport, a critical requirement for office and commuting environments.

Material Compatibility with Multiple Beverages

The tumbler’s design supports tea, juice, and water without flavor transfer or chemical interaction. Stainless steel’s inert surface chemistry ensures resistance to acidic fruit juices and tannin-rich teas, maintaining beverage purity and reducing internal residue buildup.

2. Product Structure, Performance, Materials, and Manufacturing Process

Structural Composition

The insulated stainless steel tumbler tea juice water bottle consists of four primary structural assemblies:

Inner Stainless Steel Liner

Directly contacts the beverage and is responsible for corrosion resistance and hygiene.

Outer Protective Shell

Provides mechanical strength, impact resistance, and surface finishing compatibility.

Vacuum Insulation Chamber

The evacuated zone between inner and outer walls responsible for thermal performance.

Closure and Accessory System

Includes the leak-proof lid, straw interface, and light blue handle integrated for portability.

Material Selection

Stainless Steel (304 or 316 grade)

Selected for its balance of corrosion resistance, weldability, and food-contact compliance.

Food-Grade Silicone and Thermoplastic Elastomers

Used for seals, gaskets, and straw interfaces to maintain flexibility across temperature ranges.

Polypropylene or Tritan Components

Commonly used in lids and straws due to their impact resistance and low extractables.

Surface Coating or Polished Finish

While some tumblers utilize powder coatings, others employ brushed or micro-polished finishes to reduce surface wear and improve cleanability.

Manufacturing Process Overview

Deep Drawing and Forming

Stainless steel sheets are drawn into seamless cylindrical forms for both inner and outer walls.

Welding and Neck Forming

Precision welding ensures structural continuity while preserving vacuum compatibility.

Vacuum Evacuation and Sealing

Air is removed from the inter-wall chamber and sealed under controlled conditions.

Component Assembly

Handles, lids, straws, and seals are assembled with dimensional tolerances verified.

Functional Testing

Products undergo leak testing, thermal retention sampling, and drop resistance evaluation.

3. Factors Affecting Quality and Performance

Several variables directly influence the real-world performance of an insulated stainless steel tumbler tea juice water bottle:

Vacuum Stability

Loss of vacuum integrity leads to rapid thermal degradation. Micro-leaks at weld seams or base seals are a primary failure risk if manufacturing controls are insufficient.

Wall Thickness Consistency

Uneven wall thickness may result in localized stress concentrations, affecting durability and thermal efficiency. Precision forming ensures balanced performance without unnecessary weight increase.

Seal Geometry and Material Aging

The long-term elasticity of silicone seals determines sustained leak-proof performance. Inferior elastomers may harden over time, especially when exposed to acidic juices or repeated thermal cycling.

Handle Load Distribution

The light blue handle must be mechanically anchored to distribute load evenly when the bottle is filled. Poor handle integration can lead to fatigue cracks or detachment during transport.

4. Common Questions and Technical Clarifications (FAQ)

Q1: How long can beverages maintain their temperature?

Under standard conditions, hot beverages remain above 60°C for approximately 6–8 hours, while cold beverages stay below 10°C for 12–18 hours, depending on fill volume and ambient temperature.

Q2: Is the bottle suitable for acidic juices?

Yes. Stainless steel liners resist corrosion from citrus-based and other acidic beverages, provided proper cleaning protocols are followed.

Q3: Can the straw mechanism affect leak resistance?

When properly sealed and designed with pressure-equalizing features, straw-compatible lids maintain leak resistance comparable to solid closures.

Q4: Is dishwasher cleaning recommended?

While some components may tolerate dishwashing, manual cleaning is generally preferred to preserve seals, handle integrity, and surface finishes.

5. Application Scenarios and Industry Use Cases

Office and Corporate Environments

In office settings, insulated tumblers support consistent hydration without frequent refills. Employees benefit from temperature stability during long work sessions, reducing reliance on disposable cups.

Daily Commuting and Urban Mobility

Leak-proof lids and portable handles make the bottle suitable for backpacks, car cup holders, and public transportation. Its durability accommodates repetitive daily movement.

Wellness and Lifestyle Programs

Corporate wellness initiatives increasingly adopt reusable drinkware to promote hydration and sustainability goals. The visual distinction of a light blue handle and trim aids user identification in shared spaces.

Hospitality and Service Operations

Cafés, juice bars, and catering services may deploy insulated tumblers for controlled beverage delivery, particularly in environments prioritizing temperature retention and spill prevention.

6. Current Trends and Future Development Directions

Material Transparency and Compliance

B2B buyers increasingly require documented compliance with FDA, EU, and LFGB food-contact standards, driving demand for traceable material sourcing.

Modular and Replaceable Components

Future designs emphasize replaceable lids, straws, and seals to extend product lifecycle and reduce waste.

Weight Optimization Without Performance Loss

Engineering efforts focus on reducing overall mass while maintaining vacuum integrity, improving comfort during prolonged carrying.

Design Differentiation Through Color Integration

Subtle color accents, such as light blue handles and trims, are used to improve usability without compromising professional aesthetics, especially in multi-user environments.

Conclusion

The insulated stainless steel tumbler tea juice water bottle represents a convergence of thermal engineering, material science, and ergonomic design. Through double-wall insulation, leak-proof closure systems, and carefully selected materials, it addresses practical hydration needs across office, commuting, and daily-use scenarios. As market expectations evolve toward durability, compliance transparency, and lifecycle efficiency, such products continue to serve as engineered solutions rather than simple containers.