The Hot & Cold Stainless Steel Vacuum Flask is designed for storing hot and cold beverages with double-wall vacuum insulation. Available in multiple capacities and portable configurations, it is suitable for office, commuting, travel, outdoor, retail, promotional, and private-label programs.

Technical Specifications

Specification	Details
Product Type	Stainless Steel Vacuum Flask
Beverage Use	Hot & Cold
Insulation	Double-Wall Vacuum Insulation
Capacity	Various, model-dependent
Material	304 Stainless Steel, model-dependent
Lid Configuration	Model-dependent
Carrying Options	Handle / Strap, model-dependent
Custom Logo	Available
OEM / Private Label	Available

Material, Insulation & Configuration

The flask features a double-wall stainless steel construction with vacuum insulation to reduce heat transfer. 304 stainless steel is used for the specified configuration, while lid, sealing, finish, and carrying options vary by model.

Typical thermal retention: 6–12 hours, depending on the model and test conditions. Actual performance varies with capacity, beverage temperature, ambient temperature, filling level, and lid configuration.

Multiple capacities and configurations are available, including compact and larger-capacity models with handle or strap options.

OEM & Private Label Options

Customization Item	Available Options
Logo	Customized logo, MOQ 500 PCS
Color	Various colors / project-specific options
Graphics	Customized graphics, MOQ 1,000 PCS
Packaging	Customized packaging, MOQ 1,000 PCS
Capacity	Various, model-dependent
Carrying Configuration	Handle / strap, model-dependent
Lid Configuration	Model-dependent

OEM Production Process

Model Selection – Select the suitable flask model and capacity.

Specification Confirmation – Confirm product configuration, color, branding, lid, carrying options, and packaging requirements.

Artwork & Sample Approval – Review logo and packaging artwork and arrange samples when required.

Pre-Production Confirmation – Confirm the final approved specifications before bulk production.

Mass Production – Manufacture according to the approved OEM configuration.

Inspection & Shipment – Complete the agreed inspection requirements before dispatch.

The approved specifications can be referenced for repeat OEM production, subject to production review.

Applications & Buyer Types

Distributors & Importers: For buyers sourcing stainless steel drinkware for regional distribution and wholesale programs.

Retail Brands: Suitable for private-label drinkware programs with customized colors, logos, and packaging.

Promotional Product Suppliers: Suitable for branded corporate gifts, events, campaigns, and promotional merchandise.

Outdoor & Travel Product Suppliers: Larger-capacity and carrying configurations can be selected for outdoor and travel-oriented product programs.

Order & Production Information

Production Lead Time: Approximately 20–35 days after deposit.

Payment Terms: 30% prepayment, 70% against B/L copy.

Place of Dispatch: Ningbo, China.

For OEM projects, buyers can confirm the selected model, capacity, color, branding, packaging, quantity, and other requirements before production. Samples and artwork approval can be discussed according to the selected configuration.

FAQ

Q: What is the difference between a vacuum flask and a regular stainless steel bottle?

A: A vacuum flask uses a sealed insulating space between its inner and outer walls to reduce heat transfer. A regular stainless steel bottle without vacuum insulation generally provides less thermal protection and is primarily intended for beverage storage rather than extended temperature retention.

Q: Is this flask suitable for both hot and cold beverages?

A: Yes. The flask is designed for both hot and cold beverage applications. The suitable model should be selected according to the required capacity, lid design, portability, and intended use.

Q: What factors affect the thermal performance of a vacuum flask?

A: Thermal performance can be affected by the initial beverage temperature, filling level, ambient temperature, flask capacity, lid construction, and the time elapsed after filling. These factors should be considered when evaluating performance for a specific application.

Q: What should buyers consider when selecting a vacuum flask for retail?

A: Retail buyers should consider capacity, product dimensions, appearance, portability, lid configuration, packaging requirements, target price range, and the intended customer group. The preferred combination may differ between everyday drinkware, travel products, outdoor products, and promotional programs.

Q: Is a larger-capacity flask suitable for outdoor use?

A: Larger-capacity models can be suitable for outdoor applications when extended beverage carrying capacity is more important than compact size. Handle or carrying-strap configurations may also improve portability, depending on the selected model.

Q: What type of packaging is suitable for retail distribution?

A: Packaging can be selected according to the sales channel and product configuration. Retail projects may require individual product packaging, branded artwork, protective inner packing, and outer cartons suitable for transportation and distribution.

Q: Can the flask be supplied for promotional campaigns?

A: Yes. Stainless steel vacuum flasks can be used for corporate gifts, promotional campaigns, events, and branded merchandise programs. Product selection should consider the required quantity, branding method, appearance, and delivery schedule.

Q: How can buyers evaluate a vacuum flask before placing a large order?

A: Buyers can evaluate the selected model through samples and review the product's appearance, dimensions, lid operation, portability, packaging, and other agreed specifications. For projects with defined performance requirements, the applicable test conditions should also be established before bulk production.

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