Corvus Tumbler hot and cold tumbler stainless steel vacuum insulated tumbler cup 18oz Coffee Travel Mug - with Reusable Straw

Corvus Tumbler hot and cold tumbler stainless steel vacuum insulated tumbler cup 18oz Coffee Travel Mug - with Reusable Straw 

The modern world demands convenience, sustainability, and style—and nothing blends those qualities better than a high-quality stainless steel vacuum-insulated tumbler. Whether you're commuting to work, heading to the gym, or going on a weekend adventure, this 18oz hot and cold travel mug with reusable straw is the perfect companion for your daily hydration or caffeine fix. Designed for durability, efficiency, and elegance, this tumbler keeps your drinks at the ideal temperature, reduces waste, and looks good doing it.

1. Product Overview

This 18oz stainless steel tumbler is expertly crafted with double-wall vacuum insulation technology to maintain the temperature of your drinks for hours. Whether you're sipping a hot espresso on a winter morning or enjoying an ice-cold smoothie in the summer heat, this tumbler ensures that your beverage stays fresh and enjoyable.

• Capacity: 18oz (approximately 530ml)

• Material: Food-grade 304 stainless steel (interior and exterior)

• Insulation: Double-wall vacuum

• Lid: Spill-proof, snap-seal or screw-on design

• Extras: Reusable straw and cleaning brush

• Color options: Matte, glossy, gradient, custom prints

• Dimensions: Designed to fit in standard car cup holders

2. Key Features and Benefits

 Superior Temperature Retention

• Keeps drinks hot for up to 6–8 hours

• Keeps drinks cold for up to 12–24 hours

• Ideal for coffee, tea, juice, smoothies, water, and more

 Sustainable and Eco-Friendly

• Say goodbye to disposable cups

• Comes with a reusable straw and cleaning brush

• Helps reduce single-use plastic and paper waste

 Durable and Safe

• Made from BPA-free materials

• Interior is rust-resistant and won’t retain odors or flavors

• Resistant to impact, corrosion, and wear

 Convenient for Travel and Outdoor Use

• Fits in most car cup holders

• Spill-proof lid prevents leaks and messes

• Slim and lightweight for backpacks, gym bags, or office desks

 Stylish and Customizable

• Available in a range of colors and finishes

• Suitable for branding, corporate gifts, or personal use

• Can be personalized with names, logos, or quotes

3. Applications and Use Cases

 Daily Coffee Fix

Enjoy your favorite morning latte or afternoon tea on the go without worrying about losing heat or spills.

 Cold Refreshments on the Move

Take iced drinks, smoothies, or protein shakes to the gym, park, or office with zero temperature loss.

 Outdoor Adventures

Whether hiking, camping, or road-tripping, this tumbler is built to handle the elements.

Work and Commute

Start your workday right with a hot beverage at your desk or in your car.

 Gifting and Events

Perfect for birthdays, corporate gifts, weddings, or eco-conscious giveaways.

4. Design and Construction Details

Double-Wall Vacuum Insulation

• Prevents heat transfer through conduction and convection

• Ensures exterior remains cool to the touch with hot drinks

• No condensation with cold beverages—sweat-free experience

 Easy to Clean

• Wide mouth for easy pouring and cleaning

• Includes a straw-cleaning brush

• Dishwasher-safe lid (hand wash recommended for tumbler)

Leak-Resistant Lid

• Designed with silicone gaskets for secure sealing

• Some models feature flip-top, push-button, or twist-lock systems

• Prevents spillage in bags or car rides

5. Environmental and Health Benefits

• Reduces carbon footprint by replacing disposable cups

• Helps promote hydration throughout the day

• Non-toxic, BPA-free, lead-free

• Long service life = less environmental impact

6. Technical Specifications

7. Care and Maintenance

• Wash tumbler with mild soap and warm water after each use

• Do not microwave (metal construction)

• Avoid bleach or chlorine cleaners

• Store with the lid off to prevent odor buildup

• Clean straw regularly using the included brush

8. Customization and Branding Options

Perfect for corporate gifts, giveaways, or retail resale. You can customize:

• Logos (laser-engraved or printed)

• Names or messages

• Packaging (eco-friendly kraft boxes or premium gift boxes)

• Color schemes and finishes

9. Certifications and Safety Standards

• FDA approved materials

• LFGB certification for food contact safety

• RoHS compliant (free of hazardous substances)

• ISO 9001 manufacturing standards

10. Frequently Asked Questions (FAQs)

Q: Can it go in the dishwasher?
A: The lid is usually dishwasher-safe, but hand washing the tumbler is recommended to preserve the finish.

Q: Can it hold carbonated drinks?
A: Yes, but open slowly to avoid pressure buildup.

Q: Is it leak-proof?
A: Yes, if the lid is properly sealed. Always double-check before carrying in bags.

Q: Can I put it in the freezer?
A: No, vacuum-sealed containers should not be frozen.

Conclusion

This 18oz stainless steel vacuum insulated tumbler is more than just a drink container—it’s a lifestyle accessory that supports your health, convenience, and environmental values. With excellent thermal performance, modern design, and user-friendly features like a reusable straw and spill-proof lid, it's the ideal choice for anyone who wants their drink just right, wherever they are.