Thermos® 1100ml Stainless Steel Vacuum Insulated Travel Mug with Dual Function Lid & Straw – White (OT-1100WH)

Brand: Thermos®
Model: OT-1100WH
Product Type: Vacuum Insulated Travel Mug
Capacity: 1100ml
Color: White
Body Material: Stainless Steel
Interior Material: Stainless Steel
Insulation: Vacuum-Insulated Double Wall
Straw Material: Food-Grade Tritan Copolyester Plastic
Lid Material: BPA-Free Plastic
Handle Material: BPA-Free Plastic
Seals: Silicone
Lid Type: Dual Function

The Thermos® OT-1100WH 1100ml Stainless Steel Vacuum Insulated Travel Mug

is a large-capacity reusable mug designed for convenient everyday hydration and on-the-go beverages. Featuring a durable stainless steel interior and exterior, vacuum-insulated double-wall construction, food-grade Tritan copolyester straw, and a BPA-free lid and handle with silicone seals, it combines durability, temperature retention, and versatile drinking options.

Introduction

The Thermos® OT-1100WH is designed for people who want a generous beverage capacity without sacrificing portability or insulation. With its 1100ml capacity, it is suitable for work, commuting, travel, workouts, road trips, and everyday hydration.

The durable stainless steel body provides a strong reusable construction, while the vacuum-insulated double wall helps minimize heat transfer and maintain beverage temperature. Its dual-function lid offers flexible drinking, while the food-grade Tritan copolyester straw provides a convenient option for cold beverages. A built-in handle makes carrying easier, and silicone seals help provide a secure closure.

Key Materials Overview

Stainless Steel Body

The interior and exterior are constructed from durable stainless steel, providing a reusable and robust body designed for everyday beverage use.

Vacuum-Insulated Double Wall

The vacuum space between the walls reduces heat transfer, helping beverages retain their desired temperature for longer.

Food-Grade Tritan Copolyester Straw

The reusable straw is made from food-grade Tritan copolyester plastic, providing a durable and convenient drinking option.

BPA-Free Lid & Handle

The lid and handle use BPA-free plastic components designed to provide practical everyday use and comfortable carrying.

Silicone Seals

Silicone seals help create a secure closure and reduce the likelihood of leakage during transportation.

Comparison Section

Thermos® OT-1100WH vs Regular Travel Mug

The OT-1100WH uses vacuum-insulated double-wall construction to provide stronger temperature retention than a standard non-insulated travel mug.

Thermos® OT-1100WH vs Plastic Tumbler

Its stainless steel body offers greater durability, while vacuum insulation helps maintain beverage temperature more effectively than typical plastic tumblers.

Thermos® OT-1100WH vs 350ml Thermos Flask

The 1100ml mug is better suited to extended hydration and larger beverage quantities, while a 350ml flask is more compact and convenient for a single smaller serving.

Health Boutique Expert Insight

For everyday drinkware, stainless steel combined with vacuum insulation provides a practical balance of durability and temperature retention. The 1100ml capacity is particularly useful for people who prefer to refill less frequently. Regular cleaning of the straw, lid, and silicone seals is important to maintain good hygiene.

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💙 A durable, high-capacity insulated travel mug designed for convenient hydration and temperature-controlled beverages wherever you go.

Large 1100ml capacity for extended hydration.
Vacuum-insulated double-wall construction.
Durable stainless steel interior and exterior.
Helps maintain hot or cold beverage temperatures.
Food-grade Tritan copolyester straw.
BPA-free plastic lid and handle components.
Silicone seals help provide secure closure.
Dual-function lid for versatile drinking.
Convenient handle for carrying.
Suitable for work, travel, commuting, and outdoor activities.

Why Customers Choose This Product

The Thermos® OT-1100WH combines large capacity, vacuum insulation, stainless steel durability, and a versatile lid-and-straw design, making it practical for carrying beverages throughout a busy day.

Who Is It Suitable For?

Office workers.
Students.
Commuters and drivers.
Travelers.
Gym and fitness users.
Outdoor enthusiasts.
Anyone looking for a large reusable insulated mug.

Who May Prefer Another Product?

Those who prefer a smaller, more compact drinkware option for short trips or smaller beverage portions may prefer a 350ml–500ml insulated flask or mug.

Wash the mug, lid, straw, and handle components before first use.
Fill with your preferred beverage.
Avoid overfilling to allow the lid to close securely.
Secure the lid firmly.
Use the appropriate drinking opening or straw.
Carry using the integrated handle.
Clean all components thoroughly after use.
Follow the manufacturer's care instructions.

Stainless Steel Body, Vacuum-Insulated Double Wall, Food-Grade Tritan Copolyester Straw, BPA-Free Lid & Handle, & Silicone Seals

What is the capacity of the Thermos® OT-1100WH?

The travel mug has an 1100ml (1.1-liter) capacity.

Is the mug made from stainless steel?

Yes. Both the interior and exterior are made from durable stainless steel.

Does it have vacuum insulation?

Yes. It features vacuum-insulated double-wall construction.

Does it include a straw?

Yes. It includes a food-grade Tritan copolyester straw.

Is the straw BPA-free?

The straw is specified as food-grade Tritan copolyester, while the lid and handle are specified as BPA-free plastic components.

Does it have a handle?

Yes. The mug features a handle for convenient carrying.

Are the seals made from silicone?

Yes. Silicone seals help provide a secure closure.

Can it be used for hot and cold beverages?

Yes. Vacuum insulation is designed to help maintain the temperature of both hot and cold beverages.

Is it suitable for travel?

Yes. Its large capacity, insulated stainless steel construction, straw, and handle make it suitable for commuting and travel.

How should I clean it?

Wash the mug and removable components thoroughly after each use. Pay particular attention to the straw, lid, and silicone seals, and follow the manufacturer's care instructions.

What is Tritan copolyester?

Tritan is a durable copolyester material commonly used in reusable drinkware. It is valued for its durability and clarity and is frequently used in reusable bottles, lids, and straws.

How does vacuum insulation work?

Vacuum insulation creates a low-air space between the inner and outer walls, reducing heat transfer and helping beverages maintain their temperature for longer.

Is the Thermos® OT-1100WH suitable for cold drinks?

Yes. The vacuum-insulated construction is suitable for cold beverages and helps slow temperature changes.

Can it hold hot drinks?

The vacuum-insulated design is intended for hot and cold beverages. When using hot liquids, handle the mug carefully and ensure the lid is properly secured.

Why is the 1100ml capacity useful?

Its 1.1-liter capacity allows users to carry a larger quantity of water or another beverage, reducing the need for frequent refills during work, travel, workouts, or outdoor activities.

Is the Thermos® OT-1100WH suitable for everyday use?

Yes. Its durable stainless steel body, large capacity, vacuum insulation, handle, and dual-function lid make it well suited for everyday hydration and travel.

• 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.

Products available at Health boutique are sourced directly from brands or authorized distributors. They are stored and shipped directly from our climate-controlled warehouses.