Thermos® 18oz Stainless Steel Vacuum Insulated Lidded Tumbler 532ml – Durable Travel Mug

Brand: Thermos®
Category: Vacuum Insulated Tumbler / Travel Mug
Size: 18oz / 532ml
Skin Type: Not applicable – drinkware
Main Materials: 18/8 BPA-free stainless steel, vacuum-insulated double-wall construction, food-safe lid components, Griptec™ soft-touch base
Texture: Smooth stainless steel exterior with soft-touch non-slip base
Country of Origin: China

Thermos® 18oz Stainless Steel Vacuum Insulated Lidded Tumbler offers durable

everyday drinkware with double-wall vacuum insulation designed to keep beverages hot for up to 5 hours or cold for up to 20 hours. The 532ml tumbler features a slide-lock lid, sweat-proof exterior, non-slip Griptec™ base, and cup-holder-compatible design, making it a practical choice for commuting, work, travel, and everyday hydration.

Introduction

Thermos® 18oz Stainless Steel Vacuum Insulated Lidded Tumbler is designed for people who want reliable temperature retention in a convenient, reusable travel cup. Its durable 18/8 BPA-free stainless steel construction and double-wall vacuum insulation help maintain beverage temperature while providing a sturdy design suitable for everyday use. The 18oz capacity is equivalent to approximately 532ml, offering a practical amount of coffee, tea, water, iced beverages, or other drinks.

The slide-lock drinking lid is designed to be leak-proof when fully closed, while the sweat-proof exterior helps reduce condensation from cold beverages. A soft-touch Griptec™ non-slip base provides stability, and the tumbler is designed to fit most standard cup holders. Thermos® also states that the tumbler is top-rack dishwasher safe, adding convenience to everyday care.

Key Ingredients Overview

18/8 Food-Grade Stainless Steel

18/8 stainless steel contains approximately 18% chromium and 8% nickel and is widely used in food and beverage applications. Thermos® specifies high-quality 18/8 BPA-free stainless steel for this tumbler.

Double-Wall Vacuum Insulation

A vacuum-insulated space between the walls helps reduce heat transfer, supporting longer hot and cold beverage retention. Thermos® specifies up to 5 hours of hot retention and up to 20 hours of cold retention for this model.

BPA-Free Materials

Thermos® identifies the tumbler as BPA-free, making it suitable for everyday beverage use according to the manufacturer's product specifications.

Food-Safe Lid Components

The slide-lock lid is designed to provide a convenient drinking opening and is leak-proof when fully closed. The official product information also states that the opening is straw-compatible when open, although a straw is not included.

Griptec™ Soft-Touch Base

The Griptec™ base provides a soft-touch, non-slip surface intended to improve stability and create quieter placement on surfaces.

Comparison Section

Thermos® 18oz Tumbler vs Thermos® 18oz Alta Tumbler

The Icon™ 18oz Tumbler provides up to 20 hours of cold retention compared with up to 14 hours for the Alta 18oz Tumbler. Both offer vacuum insulation, 18/8 stainless steel construction, slide-lock lids, and cup-holder compatibility. The Icon™ is particularly suitable for users prioritizing longer cold retention.

Thermos® 18oz Tumbler vs Thermos® 18oz Alta Mug

The Alta Mug has a more traditional travel-mug shape with a soft-touch comfort handle, while the Icon™ Tumbler has a tumbler-style design with a Griptec™ non-slip base. Both are designed for everyday hot and cold beverages and feature slide-lock lids.

Thermos® 18oz Tumbler vs Standard Non-Insulated Travel Mug

A standard non-insulated travel mug may offer a simpler design, but it does not provide the same vacuum-insulation technology. The Thermos® tumbler is a better fit for users who prioritize temperature retention, durability, portability, and condensation control.

Health Boutique Expert Insight

For everyday drinkware, the Thermos® 18oz Tumbler offers a well-balanced combination of capacity, portability, insulation, and ease of use. Its 532ml size works well for a daily coffee, tea, water, or cold beverage without the bulk associated with larger bottles.

The combination of vacuum insulation, slide-lock lid, non-slip base, and cup-holder compatibility makes it particularly practical for commuting and everyday routines. For best performance and hygiene, regular cleaning and proper care of the lid and drinking components are recommended.

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Double-Wall Vacuum Insulation: Helps maintain beverage temperature for extended periods.
Hot & Cold Beverage Compatible: Suitable for coffee, tea, water, iced drinks, and other beverages.
18/8 Stainless Steel: Durable stainless steel construction designed for regular use.
18oz / 532ml Capacity: A convenient size for daily hydration and commuting.
Slide-Lock Lid: Designed to be leak-proof when properly closed.
Sweat-Proof Exterior: Helps reduce condensation when carrying cold beverages.
Griptec™ Non-Slip Base: Provides added stability on everyday surfaces.
Cup-Holder Compatible: Designed to fit most standard vehicle cup holders.

Why Customers Choose This Product

The Thermos® 18oz Tumbler combines practical portability with the temperature-retention benefits of vacuum insulation. Its 532ml capacity is large enough for everyday coffee, tea, water, or iced beverages while remaining convenient for commuting and travel.

The slide-lock lid provides a simple drinking experience, while the non-slip base makes the tumbler comfortable to place on desks, tables, and other surfaces. Its cup-holder-compatible design also makes it especially convenient for people who regularly drink beverages while commuting or traveling.

Who Is It Suitable For?

Coffee and tea drinkers who want an insulated travel tumbler.
People who prefer reusable stainless steel drinkware.
Commuters who need a cup-holder-compatible beverage container.
Students and professionals looking for convenient everyday drinkware.
Travelers and active users who want hot or cold beverages on the go.

Who May Prefer Another Product?

Customers who need substantially more capacity for long outdoor activities may prefer a larger insulated bottle. Those who specifically prefer drinking through an integrated straw may also find a dedicated straw bottle more suitable.

For users who want a traditional travel mug with a large comfort handle, a handled Thermos® model may provide a different drinking and carrying experience.

Fill the tumbler with your preferred hot or cold beverage, leaving sufficient space for the lid.
Secure the lid firmly and make sure the slide-lock mechanism is fully closed.
Carry the tumbler upright whenever practical, particularly when transporting hot beverages.
Open the slide-lock drinking mechanism when ready to drink and close it after use.
Clean after use according to the manufacturer's care instructions; Thermos® specifies top-rack dishwasher safety for this model.

18/8 Food-Grade Stainless Steel, Double-Wall Vacuum Insulation, BPA-Free Materials, Food-Safe Lid Components, & Griptec™ Soft-Touch Base

What is this product used for?

It is a reusable insulated tumbler designed for hot and cold beverages, including coffee, tea, water, iced drinks, and other everyday beverages.

Is it suitable for daily use?

Yes. Its durable stainless steel construction, 532ml capacity, and portable design make it suitable for everyday use at home, work, university, or while traveling.

Can it be used for hot and cold beverages?

Yes. Thermos® specifies that the tumbler can be used for both hot and cold liquids. It can keep beverages hot for up to 5 hours and cold for up to 20 hours.

Is the lid leak-proof?

The slide-lock lid is designed to be leak-proof when fully closed.

Is it suitable for travel?

Yes. Its 18oz capacity, cup-holder-compatible design, slide-lock lid, and non-slip base make it suitable for commuting and travel.

How long does one tumbler last?

The tumbler is a reusable product rather than a consumable item, so it does not have a fixed usage period. Its longevity depends on frequency of use, cleaning, handling, and general care.

Can it be used in a car cup holder?

Yes. Thermos® states that the 18oz Icon™ Tumbler fits most standard cup holders.

Is it dishwasher safe?

Yes. Thermos® specifies that the tumbler is dishwasher safe, with top-rack washing recommended.

What is the price in Jordan?

Please check Health Boutique JO for the latest price.

Do you ship to Saudi Arabia and GCC countries?

Yes, we ship to selected GCC countries.

Is international shipping available?

Availability depends on destination.

Can it be used with a straw?

The slide-lock drinking lid is straw-compatible when open. Thermos® recommends using straws for cold liquids only, and a straw is not included.

What makes the Thermos® 18oz Tumbler different from a regular travel mug?

Its double-wall vacuum insulation is designed to reduce heat transfer and provide longer beverage temperature retention than a standard non-insulated mug.

How long does the Thermos® 18oz Tumbler keep drinks cold?

The official Thermos® specifications state that the tumbler keeps beverages cold for up to 20 hours.

How long does it keep drinks hot?

The Thermos® 18oz Icon™ Tumbler keeps beverages hot for up to 5 hours.

Is the Thermos® 18oz Tumbler good for commuting?

Yes. Its cup-holder compatibility, slide-lock lid, non-slip base, and 532ml capacity make it well suited to commuting and everyday travel.

What material is the Thermos® 18oz Tumbler made from?

It is made with durable 18/8 BPA-free stainless steel and double-wall vacuum insulation.

Where is the Thermos® 18oz Tumbler manufactured?

The official Thermos® specifications list China as the country of origin.

• Jordan: Same-day (Amman) / Next-day (Amman&Other cities)
• Gulf :

1. UAE : (Dubai 1 day) / 1-2 Days rest of Emirates
2. Rest Of Gulf 2-5 Days

• Europe :2-5 Days
• USA & Canada 3-7
• Other Countries 3-7 Days

• Due to product safety, supplements & cosmetics cannot be returned once opened
• Damaged or wrong items are replaced immediately
• Contact support within 24 hours for assistance

• Store in a cool, dry place below 25°C
• Keep out of reach of children
• Avoid use if seal is broken
• Discontinue if allergic reaction occurs

This product is not intended to diagnose, treat, cure, or prevent any disease. Information provided on this page is for educational purposes only and should not replace medical advice. Always consult your doctor or pharmacist before using any medication, supplement, or health product — especially if you are pregnant, breastfeeding, taking other medications, or have medical conditions.

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